[2 If x + 2y = [1 -31 and 2x + 5y = [7 51 , then y is equal to ? 2 3 [3 11] 1. 7 [3 2. -7] [3 11 -7] [3 5] 4. 0 7 Select the correct response: 3 4 1 2 3.

Q: Let A = -4 2 [33] - 3 - 4 Find - 2A. - 2A =

A:

Q: Multiple and simplify    6y²/14 xy      •    7xy/4x²

A: Multiplication of ( 6y²/14 xy ) and ( 7xy/4x² ). ( 6y²/14 xy ) × ( 7xy/4x² ) = {(6y²) × ( 7xy)}/…

Q: Which of these expressions is the same as I+3+ 2 I+3 Select one: O a. O c. O d. O e. = (x+3)²+3…

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Q: O y = |x| 5- 4 1 O y = 3- 2 O y = V¤ а. -5 -4 -3 -2 - 4 5 O y = a? -2 O y = x³ -3 -4 O y = x -5+ 1 2…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: An acute angle, 8, is in a right triangle such that sin 8. 10 10 5 6 1 What is the value of cot 8?

A: The acute angle θ is in right angle triangle such that:sinθ=56

Q: If -91 and B -3 [8 A = -10 3 4 then 188 А(5B) -

A: We will find out the required value.

Q: 12. Simplify. 6m? + 13m – 5 9m? – 4 8m? + 16m – 10 6m2 + m – 2

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Q: 1|3 5 2|2 4 6 3|2 4 4|3 6 8 8 5|0 2 2 9 9 6|3 4 Min =  Q1 =  Med =  Q3 =  Max =

A: The given plot represents that stem and leaf diagram of the set of data.

Q: Find A. A = (3A)-1 · [ = 10 4 21

A: We have to find A using given data.

Q: Simplify the following under Zs and Z7. (-4) + a. 3 -2 b. 3-1 -5+(-11) C.

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Q: Evaluate the following expression. -3[(-4)²-6(9-7)1² -31(-4)2-6(9-7)1²- (Simplify your answer.)

A: This question is based on BODMAS rule-:The brackets have to be solved first followed by powers or…

Q: Simplify. 1. (8-3)(9–7) 2. 7+42 3. -10+7 –5(-4)

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Q: 7. Simplify and evaluate. (2x³y²)³ a) (x’y (9y)? b) for y=-2 (3y*)

A: Given: a)2x-3y23x3y-42b)9y23y-13

Q: 2 4z – 1+8 > 20

A:

Q: *(2 + 16) (a + 8)(x + 4) 16 where z # a + 8 Submit Question

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Q: 18. Which of the following expressions is equivalent to (5x - 4y) (3x – 2y)? Select all that are…

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Q: 4. Find the first three terms of (2x - 5)20. What is the coefficient of x¹0? …..

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Q: Evaluate the following expression. −2(-3) + [6+ (6-9)²] /√25+4

A: The given expression is:−2(−3)+[6+(6−9)2]/25​+4 Recall the order of operations, PEMDAS:P -…

Q: [2 3 4 B=034 LO 0 4

A:

Q: is equivalent to 12x 4+x 10 32 for all values of x not equal to 4 or -4. || Show that 4-x

A: We need to show that the given expression is equivalent to 12x=32 for all x values except 4 and -4.

Q: -1 21 2 If A = [], B = [3], and C = [12], find 0 0 2. 4 A² + BC.

A: Step 1: Step 2: Step 3: Step 4:

Q: O -2 1 -1 A = 2 and C = 1 1 2 -1 -1, 4A + 0.5C

A: Give matrices are, A=0-22021C=1-111-1-1 Multiplying matrix A with 4. 4A=40-220214A=0-88084

Q: 27. When x = 1, find the value of -5Vx – 1 + 4. the expression: 2]

A: The given expression is   -5x-12+4 We have to find its value at  x=1

Q: x/3x +. u = 3x + 2 symbolic notation and fractions where needed. Use C for the arbitrary

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Q: x²+2x²y–2xy+2xy² –3y² The expression is equal to x+y

A:

Q: for 7-9 state yes or no whether each pair of expressions are equivalent. 7. 9r-6r and 6r - 9r 8.…

A: Given some statements.