Asap study island explanation

what is the inverse of the statement below?

[if the perimeter of a square is 20cm, then its area is 25cm2.]

a) if the perimeter of a square is not 20cm, then its area is not 25cm2

b) if the perimeter of a square is not 20cm, then its area is 25cm2.

c) if the area of a square is not 25cm2, then its perimeter is not 20cm.

d) if the area of a square is 25cm2, then its perimeter is 20cm.

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.