Rose uses 1/8 pound of beef for each taco she make if she wants to make 12 tacos how much beef will she need

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

With alll of except for the 2 that i did already