If a pentagon is a regular pentagon, then what is the measure of each interior angle? a. 108° b. 36° c. 144° d. 72°

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

What is the frequency of the sinusoidal graph?

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)