Water is being drained out of the pool. The height of water decreases at a constant rate of 15% per hour. The original height of the water in the beginning was 15 feet.
A) Write an equation that would represent this situation
B)After 3 hours, what will the height be?

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above