Y = x²+1 at x=1 what’s the solution?

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 ?

What is the reflection image of (5,-3) across the line y = -x?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15