Liz earns $600 each month in addition to her commission. Last month, she earned $8,500 in sales. What was her total monthly pay last month?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your