John had $20. He earned $5, spent $10, earned $5 again, and then spent $3. After this series of earnings and expenses, how much money did he owe or have left?

One's intelligence quotient, or IQ, varies directly as a person's mental age and inversely as that person's chronological age. A person with the mental age of 25 and a chronological age of 20 has an IQ of 125.

Radicals are rational. Always Sometimes Never

Solve algebraically for x: x+2/6 = 3/x-1

Do all quadratic equations have an axis of symmetry?

Fill in the blank 1/4 = x/12

Kevin is solving this problem. 737 * 205 What are the partial products Kevin will need to solve the problem? A. 3,685 and 147,400 B. 3,685 and 14,740 C. 3,685 and 1,474 D. 3,685 and 7,370 and 147,400

A freshman English class at a certain college has 49 women and 20 men. If 5 students are randomly selected, what is the probability that they are all men? Round to five decimal places.

A 5.5 foot woman casts a shadow that is 3 feet longer than her son's shadow. the son casts a shadow 13.5 feet long.

Kim has 2 1/2 cups of peaches. How many 1/4-cup servings can she make?

The slope and the y intercept for y=1/2x