Given: W(2,-3), X(-4,9), Y(5,y) and Z(-1,1), find the value of y so that WX is perpendicular to YZ

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?