On a test a student got 15 problems correct out of a total of 20 problem.

What percent did the student get incorrect?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Which graph represents the equation y =4x