Sam and Freda both paid their credit card bills in full. Each person made returns that resulted in credits to their accounts. Sam's new Balance is -$36, and Freda's is -$42. Which person has more money credited to his or her card? Also, I'm in 7th grade and I don't really know how to manage this website, so this is just a little info for my question.

3(10x-y)-5(x-y^2) need this solved asap

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.