In a calculus class, Jack Hartig scored 7 on a quiz for which the class mean and standard deviation were 5.9 and 1.8. respectively. Norm Alpina scored 6 on another quiz for which the class mean and standard deviation were 4.9 and 1.9, respectively. Relatively speaking, which student did better? Make use of z-scores. Relatively speaking, scored better on his quiz.

Q: Simplify. 5x x² + 2x 2 + 2x - 8 3 x + 4

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Q: Find AB.

A: We have to find product AB for the given matrices: A=4-32 and B=51 We know for multiplication of…

Q: 3y² - 2y-1 (-)-5y²- 2y +6

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Q: Evaluate x²+3x+5

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Q: Find (1, -5) (7, 9).

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Q: V2 2 = 2 +

A: Given :x22=22x

Q: (1. 2) (3.-2) (-1.-2) (4.-3)

A: Integral of a function from a to b= area of the function from x=a to x=b

Q: Evaluate L{r³e3+5,

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Q: +2 1/2 215

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Q: 3/4 5/6

A: The given set of questions ,  1 13÷16 Apply division rule ,  1316=13×61         =2 2 25÷47 Apply…

Q: To-42 5-2X-3 (6z) odz dy oe aly de

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Q: . 8х-4у>-28 6y212х-36

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Q: V- 25 + V- - 81+V-49

A: Topic - complex numbers

Q: Find (i)27 = а. i b. –i с. 1 d. –1

A: The given expression is ( i )27 .

Q: (-3)² ÷ 3 • (5 - 10 + -8)

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Q: Evaluate. (3- 5)² + 4(1 – 5)

A: Given, (3-5)2 + 4(1-5)

Q: Simplity. 2x x² + 4x - 12 4 +² + 4x 1

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Q: 5B. x² + 11x + 30 >0

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Q: 10 B 14 A

A: The Pythagoras theorem states Hypotenuse2=base2+perpendicular2.

Q: -11/6+3/4

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Q: Simplify. 5-2(2W-2) + w O-3w-9 O*3w+9 O 3w+9 O 3w-9

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Q: d. 1 3a+18 = 1 - 8 a+6

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Q: 3.) Simplify (0.75x + 2y) - (0.3x – 0.6y)

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Q: 2. (Væ)² – 8 Vã =- 15

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Q: Simplify. (4y²– 2y-3)+(3y²–5y-4)-(8)²-4y-8)

A: Given :

Q: r5 dt 25 + t2

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Q: .2 y = 4 - x² and x +y = 2.

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Q: 2/21 + -2/9.

A: 221+−29

Q: Determine 1. OneN[-2, -2+] and 2. ₂EN(-2,-2 + 1/2]

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Q: -1 34 -30 10

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Q: To-22 (1ny-8x) dy da

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Q: 1.2x – 3.6 + .3x = 2.4

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Q: -2/w-3/4=3w-7/3

A: Consider the given equation.

Q: -5/9 + 1/2

A: The given expression is

Q: -5/8 + 1/10 + 3/4

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Q: 8y3 + 216

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Q: D. Tim x 3. 2x² +4. X-5

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Q: Simplify. 2-x X² + 4x-12 2-x x² + 4x-12 2 -

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