The value of 1-4 is not-2 because O A. 42 = -2
O B. 226 -4
O c. (-4)² = -2
O D. (-2)2 + -4

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

answer: y = -2.5x - 15

              (-6,0)

step-by-step explanation: