Mark worked on math homework less than 1/3 the amount of time that his brother did. if mark spent 25 minutes on his math homework, how much time did his brother spend on his math homework?

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100