A plumber charges $70.00 for the first hour and $50.00 for each additional hour spent on a job. The plumber does not adjust the cost for partial hours, so a partial hour is charged as a full hour. The service charge in dollars, S, as a function of time in hours, h, is what type of function? A. exponential function B. step function C. linear function D. periodic function

An animal shelter has 21 puppies. if the puppies are 28% of the total dogs and cat population how many dogs and cats are in the animal shelter

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps