Maresol spent four-fifth of her allowance on a pair of jeans. if she received $15 for allowance, did maresol spend more than, less then, or equal to $15 on the jeans? explain

Common binomial factor of 6x(3x+7)+5(3x+7)

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.