Okay so my math teacher just sits at her desk all day can someone me with this review for my final

perform the indicated operations and simplify:
-4/5(-15/16)
-3(x-4)-4(5x-1)

Select a graph that have an equation with a < 0

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g