20 POINTS PLZ HELP ASAP please show working out only need answer for Z
will mark brainliest

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

What is the y intercept of f(x)=(1/2)^x?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?