The equation for the circle below is x squared+ y squared= 100. what is the length of the circles radius

(hurry! ) which expression is equivalent to the following complex fraction?

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.