PLZZ HELP Which equation shows the quadratic formula used correctly to solve 7x2 = 9+ x for x?

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.