Evaluate expression 1/2a-5b when a = - 12 and b = - 3

I have a past due balance of $87.50 and my new charges are $75.00 I was also charged a late fee of 15% of my past due balance. What is my new total

Combine like terms to create an equivalent expression: - n + (-4) - (-4n) + 6

Can you live without a stomach?

Jose and a group of friends bought concert tickets for $257. The booking agency charged a fee, bringing the total cost to $247.99 the amount of change is $17.99 what is the percent increase due to the fee?

Ciara is making a new dance outfit for a dance performance in her high school. She needs 2 1/2 yards of fabric for the shawl. She also needs 1 3/4 yards of fabric for the dress. If she has 3 yards of fabric, how much more fabric will Ciara need?

How can you tell whether a rational expression is in simplest form? Include an example with your explanation.

Evaluate rs+14s when R=6 S=1/4

Deepak wrote out the steps to his solution of the equation - 3x - 5 + 4x = Deepak's Solution Resulting equations Steps Use the distributive property to simplify. -5+4x - 3x = - 2 Simplify by combining like terms.

How do I solve the equation to - 63 + w = 55

are combinations of numbers and operations what is the word that fills in the blank