Hey plz answer my questions plz plz plz I will mark the brainliest just do 4 and 5 thx

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.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100