2. Billy plans to put some plastic edging around his circular fish pond. The diameter of the pond is 5 m. Round the answer to the nearest whole-number unit.

a) Find the amount of plastic edging that Billy will need.

b) If plastic edging costs
$2.30/m, how much will Billy pay for the edging?

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

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.

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?