The graph below represents the speeds of kael and lynn as they run around a track.
a graph titled the running track. the horizontal axis shows time (minutes) and the vertical axis shows speed (m p h). two lines begin at 0 speed in 0 minutes. the line labeled lynn goes to 3 m p h in 8 minutes, to 12 m p h from 13 to 28 minutes, to 0 m p h in 40 minutes. the line labeled kael goes to 10 m p h from 12 to 20 minutes, to 2 m p h in 32 minutes, to 0 m p h in 40 minutes.
for how many minutes did lynn run at a greater speed than kael?
12
17
23
28

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.

i think the answer is seven, for if i'm being useless °ω°

step-by-step explanation:

good luck on your studies! : )

david edward.

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