Please help me don’t skip!

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.