2x 4. If x = (1, -2, 7), ³ = (0, 5, 1), and z = (1, 1, -2), then what is the value of a. 6 12 b. 7 14 *-(₁7-7), 3y z C. d.

Q: 6. Given A(-5, 1), B(-3, -7), and C(5, 2), find the measure of ZA.

A:

Q: 9. Let u = : (4, -1), v = (0, 5), and w = (-3, -3). Find the com- ponents of a. u + w c. 2(u - 5w)…

A: We have u=(4,-1)v=(0,5)w=(-3,-3)

Q: If z=1+/ then the value of the expression 24 -473+7z2 -6z+3 is OA -1- O B. 1- O D.-2- OE -5

A: We have to evaluate the value of the expression.   Given z=1+i

Q: if N {A} = 25 and N {B} = 31 and N { A n B } = 20 find n { A U B }

A: Given that n{A}=25 and n{B}=31 and n{A ∩B }=20   We have to find n{A∪B}  . We use the union property…

Q: 3. If AC = 26x-18 and BC = 23-2x, which expression represents AB? A B C

A:

Q: | If 4 1 Au 3 and Av = -3 -3 then A(2u + 30)

A:

Q: Given w= (-3, 11), s=(-4, – 5), and r= s= (-4, - 5), and r= (4, 9), find 3r- (w+s). 3r-(w+s) = (|

A:

Q: Which of the following is equivalent to (D-3)(e³xy)? 3e-³x Dy e³xDy a. b. c. e-3xDy d. 3e³xDy

A: D-3e3xy

Q: Then where a11 where C11 = a12 = C12 = a21 = C21 = a22 C22= A 1 = (§ 8), B= ( − 4 ³ ) ,0 = (1 ²).…

A:

Q: and y= If a = 3, then x =

A: Solve using the properties of trigonometric rations

Q: ū = (-2,5) and v = (4, 8), find –3ü+ ū. %3D elect the correct answer below: (2, 13) (7, 13) (2, – 7)…

A: Simplification

Q: Let A = {−1, 3, 2} and B = {1, 2, 6}. Find A N B. ○ {2} O{-1, O{-1, 2, 3, 6} O{-1, 3} 1, 2, 3, 6}

A: Option AExplanation:Given:A = {-1, 3, 2}B = {1, 2, 6} Solution:A ∩ B denotes the common values…

Q: ind AxB for A = {1,2} and B = {r,s, t} %3D

A:

Q: 4. If x # -4, which of the following represents 2x² + 14x + 24 in simplified form? 2x + 8

A:

Q: - 14 2 Let B = Find B. 6 0

A:

Q: 1 4. Given A=) 2 2 1 a. A + 2B b. 3A-2B and B = -3 4 -2 2 find

A:

Q: 2. If ={(-4,–5), (-2,–1), (1,6), (5,3), (6,1)} and k={(-4,5), (–2,6), (1,7), (3,9), (4,0)} determine…

A:

Q: Find the following expressions if a = (6r, 0, r), b = (6s, –s, 7s), and c = (2t, 10t, 5). a ·b = 1.…

A: We need to find dot product.