Add
(x^4+3x^2+2x-1)+(3x^4+2x^3-x-5)
subtract
(x^4-3x^2+2x-+2x^3-x+5)

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.