Adelivery truck is transporting boxes of two sizes: large and small. the combined weight of a large box and a small box is 85 pounds. the truck is transporting 50 large boxes and 65 small boxes. if the truck is carrying a total of 4625 pounds in boxes, how much does each type of box weigh? note that the aleks graphing calculator can be used to make computations easier

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.