Write the augmented matrix for each system of equations. 7x-9y+3z=6
-2x-6y+10z=3
-3x-5y+5z=-1

if you aren't sure of how to solve a matrix please skip this

The measure of an angle is 117°. what is the measure of a supplementary angle?

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Bring the fraction a/a-4 to a denominator of 16-a^2