Raul is 66 inches tall. how tall is raul in feet? 0.0066 feet 5.5 feet 6.6 feet 792 feet

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Having a hard time understanding this question (see attachment).

What is the solution for the following system of equations? use any method to solve. 2x + 8y = 4 x = -3y + 5 question 4 options: x = 14, y= -3 x = 2, y = -3 x = -3, y = -3 x = 12, y = 5