The shadow of a building is 40 ft. long. The angle between the ground and the line to the sun is 35°. Draw a diagram and find the height of the building. 22.9 ft. 28.0 ft. 57.1 ft.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup