This year’s school population in Waterloo is 135 percent of last year’s school population. This year’s student population is 756. How many students did the school have last year?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.