On two of Mark's math tests, he scored 75 and 83. Mark wants to have a mean score of 84. What does Mark have to score on his next test to have a mean of 84?

Maggie needs to spend at least six hours each week practicing the piano. She has already practiced three and one fourth hours this week. She wants to split the remaining practice time evenly between the last two days of the week.

A triangle has angle measurements of 30°, 55°, and 95°. What kind of triangle is it?

Calculate the length of the third side.

Harole had 1,400 stamps. He gave 350 of them to his brother and the rest to his sister. What persent of the stamps did he give to his beother?

What is the unit rate for 6 pack soda for $7.96

When constructing an angle bisector, why do the arcs intersect?

Clare estimates that her brother is 4 feet tall. When they get measured at the doctor's office, her brother's actual height is 4 feet, 2 inches. Should Clare's or the doctor's measurement be considered the actual height? Explain your reasoning.

What is 2 plus 2 in an equation

The sum of two numbers is 28. The first number is 7 more than twice the second number. Let a represent the first number. Let b represent the second number. What is the second number? Use the table to guess and check.

The value of y varies directly with x, and y = 4 when x = 10. find y when x = 1. a.-2.5 b. 2.5 c. 0.4 d.-0.4