Two circles are concentric if they have the same center. Which equation represents a circle that is concentric with
the circle shown but has a radius that is twice as large?
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(x - 4)2 + (- 6)2 = 4
(x-4)2 + (y - 6)2 = 16
(x - 6)2 + (-4)2 = 16
(x - 6)2 + (-4)2 = 4
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(05.02)a farmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. a parallelogram with a height of 6 yards and side length 9 yards. the height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. rhombus is split into a soy half and a corn half. each bag of soil covers 40 square yards. how many bags should the farmer purchase?

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0

What is the gcf of 20c^3-5c^4+30c^6