Determine whether the graphs of the pair of equations are parallel, perpendicular, or neither. x = y + 11, y = -x + 2

Fiona joins a fruit of the month club. the entry cost was $25 and then she pays $18 per month. if she participates for 8 months, how much will she pay in all? how much in 10 months?

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?