Algebra
30. the difference of three times a number and 4 is -19
32. the sum of twice a number and half the number is 10.
34. four times the difference of a number and 7 is 12.

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

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.

Tell whether the two rates form a proportion