exam Maths Puzzle Numerical Ability

A truck leaves St. Louis, Missouri, traveling north on I-55 at an average rate of 62 mph. At the same time, a bus leaves St. Louis traveling south on I-55 at an average rate of 55 mph. How long will it take until they are 936 miles apart?

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exam Other Question
The volume of the box is represented by (x^2 + 5x + 6)(x + 5). Find the polynomial that represents the area of the bottom of the box.

I am having a hard time with this and need some help. Thanks. Please help to graph on a number line :

x^2 - 5x > or equal to -6; D = {reals}