Meg rowed her boat upstream a distance of 45 mi and then rowed back to the starting point. the total time of the trip was 14 hours. of the rate of the current was 2 mph, find the average speed of the boat relative to the water.

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.