Tiana calculated 3/7÷2/3 and found the quotient to be 9/14. How can Tiana check whether she divided correctly?

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

Which of the following contains a variable?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.