Answer:
A figure or shape that can be divided into more than one of the basic figures, which is said to be a composite figure.
Answer : fx + fh - f(x) / h
Distance = rate x time
D = 450 mph x 2.5 h
D = 1,125 miles
145 divided by 7 =20.71
a little sketch on my answer <span />
You can round 396 to 400 and 71 to 70. then you just multiply them and get 28,000. :))