I got 6 for my answer, but I'm not 100% sure if I'm right.
6(2x-11)+15=21
12x-66+15=21
12x-51=21
+51 +51
12x=72
----- ----
12 12
x=6
S=d/t
s=40/4
s=10
Therefore the average speed of the football is 10yd/s!
Answer:
-1a(to the power of two)+ -1a+2
Step-by-step explanation:
can't explain to big brain
Answer:
aₙ = 3n - 5
5th term = a₅ = 3.5 - 5 = 15 - 5 = 10
