Aconstruction worker is sent to the store to buy more than 30 lb of roofing nails. the nails are sold in 5 lb boxes and 10 lb boxes. the number of 5 lb boxes is represented by x, and the number of 10 lb boxes is represented by y.

which inequality models this situation?
(points : 1)
x + y > 30
x + y ≥ 30
5x + 10y > 30
5x + 10y ≥ 30

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16

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.

Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j- 0.12=4+1.1j