what is the following sum in simplest form?
first one is question the rest are choices

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Deshawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice

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