What is the x value of the solution?
7x+y=-9
-3X-y=5

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?