Eight students bought a cd. some bought from a record store for $14.50 and some bought online for $12.00. their total spent was $103.50. how many of the eight students bought the cd for $12.00?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.