7. estimate a 15% tip on a $42.65 check.

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? *

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?