On tuesday, wendy and her friend purchased 3 sandwiches and 2 drink for $15.75. on friday, wendy purchased 2 sandwiches and 1 drink at the same restaurant for $9.85. how much does one sandwich cost?

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Which graph has a rate of change of zero