A day care center charges 60$ per week for one child, plus 20$ per sibling. The equation that describes the total charge t for the number of siblings s is t=20s+60. What is the total cost for two siblings?

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? *

Which two fractions are equivalent to 6/11? 6/22 and 18/33 12/22 and 18/33 12/22 and 18/22 3/5 and 6/10

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes