How are the formulas for the circumference of a circle and area of a circle derived? explain

Whatfour consecutive integers have a sum of 90

A kilogram of whole-weat flour costs $6. What is the cost of 400 grams of the flour

How can u use the Distributive Property to solve 144 - : - 8?

What is 5,562,852,111 rounded to the nearest billions place? A. 5,000,000,000 B. 5,500,000,800 C. 6,000,000,000 D. 6,500,000,000

Clarissa used 20% of her savings to buy shoes. If she had $200 in her savings, how much does she's have left in her savings after purchasing the shoes?

11 + 1 + 0.01 + 0.11 + 0.111 = ? CA

the half life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. starting with 165 grams of radioactive isotope how much will be left after 4 half lives.

S the inequality below sometimes, always, or never true? - 2 (2x + 9) > - 4x + 9 A. always B. sometimes C. never

A city manager wants to add a playground in a new city park. The rectangle below represents the plan for the dimensions of the rectangular playground. area = x^2 + 18x + 45; Width=W; Length = x+15 a.

When listing multiples of 8 and 10 what multiple will they both be the same?