Given the following square : solve for x 16x-7 20x-91

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.

Jennifer is 20 miles north of her house, and she is driving north on the highway at a rate of 55 miles per hour whats the slpoe

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?