What is angle x? and what is the step by step explanation

What percent of the circle below is shaded?

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52