Kaitlyn works mowing laws and babysitting. she earns $7.90 an hour for mowing and $6.80 an hour for babysitting. how much will she earn for seven hours 7 hours of mowing and one hour babysitting

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25