a triangle has a base of 15 inches and the height of 11 inches . What is the area of the triangle using the formula A= 1/2 bh

See attachment below and find the equivalent of tan(∠qsr)

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

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.