Bethany sells roses and petunias. the expression 3r+2.5p gives the cost (in dollars) of r roses and p petunias. what is the cost of 7 roses and 8 petunias?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Which strategy is used by public health to reduce the incidence of food poisoning?