Ali was paid $75 for mowing a neighbor's yard. this is one fourth of the amount of money she earned all summer. how much did ali earn all summer? write and solve an equation.

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

For the inequality |c| < |d| to be true, which of the following must be true?

Which of the following is an example of conditional probability