Suppose there is 1 teacher on staff for every 25 students enrolled. Estimate the number of teachers at Lincoln Middle School.

Find the value of the cosine for angle a

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution

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