"closed under addition and subtraction" means that if you add (or subtract) two polynomials, you get a polynomial**. If they mean does your work PROVE it, well, it does NOT prove it. But it is a good example showing that:

when you add (or subtract) polynomials, the result is also a polynomial.

**polynomial is an expression like 8x^2-5x-2 or

7-x^2+3 or

4x^3-10x^2-7

4 0

1 year ago

Explain how raising a quotient to a power is similar to raising a product to a power.

notka56 [123]

Y<span>ou are both raising the factors or numerator and denominator</span>

5 0

2 years ago

3.) The degree measures of the angles of AABC are represented by x, 3x, and 5x - 54. Find the

evablogger [386]

Answer:6

Step-by-step explanation:

x+3x+5x-54

X+8x-54

9x-54

9x=54

X=6

6 0

3 years ago