What are the sine and cosine of -150°

One integer is 8 times another. if the product is 72, then find the integers

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Which of the following circles have their centers on the x-axis? check all that apply.