C is on the line and D is not on the line.
-1/2(-40)+1=21
-1/2(20)+1≠-11
distance = 5.5 mph x 1.5 hrs = 8.25 miles
distance = rate x time
ANSWER 2: You travel 20.9 miles in 3.8 hours.
Answer to the problem:
D
Basically the -8 shows you the y value that the vertex has !! You can also use desmos to visualize
16 16/18 = 16 8/9
so the rectangular clock has a greater perimeter than the square one.
area rectangular clock > area square clock
16 8/9 > 16 6/9