Emma is trying to decide whether to buy a new laptop. as a student, she has a budget and wants to make sure this is the right financial decision. which question should she ask herself in determining the opportunity cost of this purchase?

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).