Marta drew the following model of a number line to represent an equation.
k
+
-8 -7 -6 -5 -4 -3 -2 -1 0 1 2
Which equation is Marta representing?
(6.3C | 6.1A, 6.1B, 6.1E, 6.1F)
F -5+ (-2) = -7
G 2 + (-9) = -7
H -5 + 7 = 2
J 7+ (-9) = -2

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.