8.1=d-2.7 and if you can what is 69/16 as a mixed number

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

What is the range? can’t seem to find it out

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers