Stephanie is registering her son for swim lessons. There is a one-time $45 registration fee plus a $20 fee per lesson. Stephanie paid a total of $225. For how many lessons did Stephanie register?

If A and B are dependent events, which of these conditions must be true? P (A and B) = P (A) + P (B) P (A and B) = P (B) P (A) P (B|A) = P (B) P (A|B) = P (A) P (B|A) P (B)

What's 2+2 this is just to see if someone will answer

The perimeter of a right triangle is 60 cm. Side A is 2cm less than half Side B. Side C is 2 cm longer than Side B. Find the lengths of the three sides.

A rectangle has vertices (8, 6), (4, 6), (8,?4), and (4,?4). What are the coordinates after dilating from the origin by a scale factor of 1.5?

What are two expressions that equal 19

Luis created the graph below to show the temperature from 8:00 a. m. (8 hours after midnight) until 8:00 pm Which statements are true about the temperatures Luis recorded on the graph? Check all that apply.

Approximately how many degrees are in the measure of an interior angle of a regular eight sided polygon?

4 5/2 in simplest form

Is (2,1) (3,2) (2,0) function or not

Dennis crossed the finish line 10 meters ahead of Lucy. Lucy was 5 meters ahead of Sam. How far ahead of Sam was Dennis?