The mean of five numbers is 6 the median is 7 and the mode is 2. What is the answer?

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

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

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5