Anumber is chosen at random from 1 to 50. find the probability of selecting either a multiple of 4 or a multiple of 5.

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?