You can use the distance formula: d=sqroot(x2-x1)squared + (y2-y1)squared. Plug in values: d=sqroot(8-(-6))squared + (2-2)squared Simplify: d=sqroot(196)+0 Simplify:d=sqroot(196 Square Root: d=14 units
The 8h stands for how much she makes an hour the 15t is how much she makes per tablet she sells. two terms in the expression, h and t, because you are solving for them. t for part c