What is the total weight of 3 bags if their individual weights are 2/5, 7/10, and 3/5 pounds? give your answer as a mixed number in simplest form.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?