If there are n ways of completing a task, and after completing the task in any of these n ways, there are m ways of completing a second task, how many ways are there of completing both tasks?

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.