Write the equation of a circle that has a center at the point (-3, 6) and passes through the point (9, 1). PLEASE HELP

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.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)