F(x) = 2x + 7 - x^2 over 4

f(2) = ?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side