Plz help me I am timed plz don’t guess DeArah made 88, 90, and 92 on her math tests this grading
period. What is the mean of her math test scores?

OA) 89
OB) 90
OC) 91
OD) 92

B. 90

Step-by-step explanation:

Add them all, divide by 3.

88 + 90 + 92 = ?

270 = 270

270/3 = 90

y = 5x + 17

step-by-step explanation:

a perpendicular line will be the opposite reciprocal slope of the given equation.   the slope given is -1/5 so the opposite reciprocal is 5

find b:

7 = 5 (-2) + b

7 = -10 + b

17 = b

write equation

y = 5x + 17

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step-by-step explanation: