How do I simplify (25+3n)-(15+2n)

An equation where variables are used to represent known values—function notation true or false

Select a graph that have an equation with a < 0

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2