Help pls I need help

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?