Ineed to make this expression true by using grouping symbols. 2x2+3^2 -4+3x5

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.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Pls brainliest will be awarded if answer is correct