If triangle abc is reflected across the x-axis, what are the coordinates of a?
1. (4,-5)
2. (-5,4)
3. (-4,5)
4. (5,-4)

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

The system of equations graphed below has how many solutions?