A video game has two levels, a tutorial level and a main level. The company hired several people to test both levels. Their scores are shown on the graph Another person is hired to test the game. He gets a score of 15 on the tutorial level

71

Step-by-step explanation:

start from 15 on the x axis and follow it up to the dot. Ik this is correct because i got help from a teacher lol

what is

step-by-step explanation:

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