What is the length of line segment QP? Round to the nearest unit. 13 units 17 units 18 units 20 units

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone. which are equivalent equations?

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1