You need to construct an open-top rectangular box with a square base that must hold a volume of exactly 925 cm3. the material for the base of the box costs 9 cents/cm2 and the material for the sides of the box costs 4 cents/cm2.

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:

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?