Which situation does the expression 4(-500) model? A) An airplane ascends at an average rate of 4 feet per minute for 500 minutes.
B) An airplane descends at an average rate of 4 feet per minute for 500 minutes.
C) An airplane ascends at an average rate of 500 feet per minute for 4 minutes.
D) An airplane descends at an average rate of 500 feet per minute for 4 minutes.

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.

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

The measure of angle 0 is 600 degrees