For the system below:
solve the system by the linear combination method. show all work carefully.
check your answer.

a-2b=3
a+b=2(b+3)

Evaluate the following expression 1/3^2

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?