Integers:
what is the solution?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *