Which is the correct Classification of 18

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase