!please help 1] Bonnie is buying protein bars from the health food store. The table below shows the total cost of the protein bars based on the number of bars bought.

Which of the following represents the rate of change?

answer choices-
a] 135
b] 2.7
c] 13.50
d] 1.35

i think ur answer is   (3,-1)

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

what do u need to know

step-by-step explanation: