S+7. Tell your teacher never to use s as a variable ever again.
First find the area of the triangle
Answer:
This is called transitivity property
2/9 - 7/12
First, multiply to find a common denominator. Multiply both pieces of the left fraction by 12, and both pieces of the right fraction by 9.
24/108 - 63/108 = -39/108 = -13/36
a= -13
b= 36