Luke and Owen have $100 each. Their friend offered to invest their money, promising to return a sum r times as great as what they invested .Write an inequality in terms of r that models the situation

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a.x = 0 b.4x = -8 c.4x = 8

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.