Ben snell has $400 in his savings account. his annual interest rate is 4%. how much simple interest did he earn after six months?

Abcd is a square. what is the measure of angle bac

In a fruit survey, 300 children choose their favorite fruit out of apples, bananas, and watermelon. 150 chose apples and 90 chose bananas. what percent chose watermelon?

Line ab contains points a(4, 5) and b(9.7). what is the slope of ab?