In terms of the trigonometric ratios for ΔBCD, what is the length of CD? Insert text on the triangle in GeoGebra to show the length of CD . Take a screenshot of the triangle with the text, save it, and insert the image in the space below.

Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Nikolas calculated the volume of the prism. his work is shown below.