a store sold 650 bicycles last year this year they're still only so 572 bicycles what is the percent decrease in the number of bicycles sold from last year to this year

Can someone me with this problem . show your work .

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

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?