(PLEASE HELP ME...)Two tanks with equal volumes dimensions are below. The tops are open. The owner wants to cover one tank with a glass top. The cost of glass is $0.05 per square inch. Which tank would be less expensive to cover? How much
less?
Dimensions Tank 1: 12 in. long by 8 in. wide by 10 in. high
Dimensions Tank 2: 15 in. long by 8 in. wide by 8 in. high

Which of the following parabolas opens down?

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x