Answer:
Cosine
Step-by-step explanation:
Cosine = 
Cos 70 = 
0.633 = 
0.633 x 8 =
x 8
5.064 = x
U say the answer is D 7$......
Answer:
B
Step-by-step explanation:
This is proportional because the number of calories burned is directly proportional to the amount of time spent on the treadmill
Answer:
y=-3/4-5
Step-by-step explanation:
plug in ordered pair 1= -3/4(-8)+b
solve for b. b= -5
plug in to y=mx+b
The formula to find the slope of a line is

.
I'm not sure if my fraction looks right, so I'll add it in a separate attachment too.