9 (2n+1) = ___

More question are coming btw

Is Y=7.5x proportional or non proportional

I bought 2 1/2 yards of fabric. my cost was 15. what is the cost per yard?

What is 69 divided by 6. 80?

How to solve 2x - 8 = 5x + 3

Simplify this rational expression. 2x^2+5x+3/2x^2-x-3

jellybeans cost $0.80 per pound. Howard buys 4.5 pound of jellybeans for himself and 1 pound for his friend. What is the total cost of the jellybeans Howard buys. Show work.

Type the equation that shows the pattern among this set of ordered pairs (2,4) (3,8) (4,12) (5,16)

What is the answer to this6 (2+4y) =

find the values os a and b so that the polynomial x3+10x2+ax+b is exactly divisible by (x-1) and (x+2)

You do 4 loads of laundry each week at a launderette where each load costs$1.25. You could buy a washing machine that costs $400. Washing 4 loads at home will cost about $1 per week for electricity.