Factor the expression. 20k + 50

there are 5 red, 4 white 3 blue marbles in a box what is the largest bumber of marbles that can be taken out (without looking if at least 3 of one color much be left?

In one town the sales tax is 8 percent as a fraction in simplest form

What is the percent for 100 acres to 140 acres

at lmelda's fruit stand, you bought 5 apples and 4 oranges for $10, and your friend bought 5 apples and 4 oranges for $11.

If 3 is raised to the fourth power, what is the exponent?

Two cubes of volumes 8cm3 and 27cm3 are glued together at their faces to form a solid with the smallest possible surface area. What is the number of square centimeters in the surface area of the resulting solid

Andre is solving the equation 4 (x+3/2) = 7. He says," I can subtract three over two from each side to get 4X equals 11 over two and then divide by four to get X equals 11/8 Cameron says I think you made a mistake

Discuss how the t-test for correlated groups and the t-test for single samples are alike and different.

How many times more is the digit 5 in the number 4521 than the digit 5 in the number 2615

Jacob has 17 yards of fabric. He uses 1 third of it to make a Cape. How many yards of fabric does Jacob use for the cape