Answer:
9 just find the Greatest common multiple
S=d/t
s=40/4
s=10
Therefore the average speed of the football is 10yd/s!
Answer: -5x+y=6
Step-by-step explanation:
Given
Points on line 
The standard form of an equation is 
Using the two-point form of a line

Answer:
1800
Step-by-step explanation:
300 cars in 23 minutes so 300/25 = how many cars each minute
that equals 13.04347....
so on your calculator multiply that by 138 which gives you 1800 cars
Your answer is D because you take the area of the triangle and the area of the parallelogram and add them together