Proportion !

the two rectangles are similar. which is a correct proportion between corresponding sides?

a:
14/10 = l/4

b:
14/4 = l/45

c:
4/14 = l/10

d:
14/4 = l/10

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi