$10,788 per dozen, find for each computer (a) dollar markup, (b) percent markup on cost, and (c) percent markup on selling price, to the nearest hundredth percent

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days

What is the difference between –12 and –5? what is the distance between –12 and –7 on a number line? units