Apiano has 52 white keys and 36 black keys. what is the probability of pressing a white key? answer as a fraction in simplest form

Ineed i been stuck on this question since yesterday

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

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