Lisa collects rainwater in a large barrel that weighs 25 pounds. when there are 10 gallons of water in the barrel, the total weight of the barrel and the water is 108.4 pounds. when there are 20 gallons of water, the total weight is 191.8 pounds

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.