Which expression represents the
phrase 4 times the sum of 9 and 6

How can we find the measure of an exterior angle if we know the measurement of an interior angle

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?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4