Use fraction strips to find each sum or difference simply if possible 6-22/3

Asmall car averages up to 29 more miles per gallon of gas that an suv. if a small car averages 44 miles per gallon, what is the average miles per gallon for an suv?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)