The probability that an adult possesses a credit card is 0.74. a researcher selected four adults at random. the probability (rounded to three decimal places) that three of the four adults possess a credit card is:

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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.

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?