1. The South Bowie Library and Oxon Hill Library are having a used book sale. The total cost, y, is a function of the number of books, X.

Cost = x + 5

a) In which library it is cheaper to buy books? Explain.

b) Which function has a greater constant rate of change? Explain.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright