Two planes left the same airport traveling in opposite directions. the first plane left the airport at 2 p. m. traveling at an average rate of 500 mph. the second plane left the airport at 4 p. m. traveling at an average rate of 550 mph. when will the planes be 3100 miles apart?

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?