Which story represents the graph below?
cost
time
the cost of gas rises, and then doesn't change for while. the cost falls before finishing with a sharp increase.
the cost of milk rises, until it hits a steady cost. then it goes on sale, before a sharp increase in cost.
both of the above
neither of the above

step-by-step explanation:

the areas of two similar triangles are 18 cm2 and 8 cm2. one of the sides of the first triangle is 4.5 cm. what is the length of the corresponding side of the other triangle?

its a i did it myself

step-by-step explanation:

time is equal to distance over rate so

t = d/r

need a little bit more information for the second question.

the answer is  

d.

21

i did this one. so you should get it right.