Math test for 12th grade

What is the formula for the circumference of a circle?

Which of the following is an acute angle?

Solve the equation: 3x + 7 = 22

What is the slope of a vertical line?

Which of the following is a right triangle?

What is the value of 'x' in the equation 2x - 5 = 7?

What is the formula for the area of a rectangle?

What is the sum of the interior angles of a triangle?

If a = 3 and b = 4, what is the value of c in a^2 + b^2 = c^2?

What is the quadratic formula?

What is the formula for the volume of a sphere?

What is the value of sin(0 degrees)?

What is the formula for the slope of a line?

Which of the following is a rational number?