Which expression is equivalent to (-7m^4+15m^3-12m^2)+(3m^5-12m^4-7m^ 3)/m-6?

Solve the triangle. a = 21°, c = 105°, c = 5

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079