Two trains leave stations 270 miles apart at the same time and travel toward each other. One train travels at miles 70 per hour while the other travels at 80 miles per hour. How long will it take for the two trains to meet

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2