Answer:
its worth 5 no 10 :(
Step-by-step explanation:
Answer:
-2a + 3
Step-by-step explanation:
We can substitute a + 7 for x:
f(a + 7) = 17 - 2(a+7) = 17 - 2a - 14 = -2a + 3
Answer:
it's 4
Step-by-step explanation:
big brainnnnnnnnnn
104 = -16T2 + 729
16t^2 = 729 - 104 = 625
4t = +/-25
t = +/-6.25
Between 6.25 and 13.5 seconds after he jumps
5a - 10*3 = 45
5a - 30 = 45
5a = 45 + 30
5a = 75
a = 15
