There are 28 students in math class. 22 of them passed the test. what percentage passed the test.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

What is the absolute value of the complex number -4- 2 v14 3.15 14 18