Two locomotives approach each other on parallel tracks. Each has a speed of 87 km/hr with respect to the ground. If they are initially 27 km apart, how long (in minutes) will it be before they reach each other?

Find the greatest common factor of 20 and 36

What is 4 9/10 expressed as a decimal

Simplify the expression (-2-c) (-1)

On each graph, one figure is a dilation of the other. Find the scale factor of each dilation and classify it as an enlargement or as a reduction.

If the percent error is 5% and the target amount is 200, what is the lowest acceptable value?

show answer using graph y=2x - 3 y=3x + 2

What is the expanded form for 3.4

Two skaters all racing toward the finish line of a race the first skater has for team lead and is traveling at a rate of 12 meters per second the second skater is traveling at a rate of 14 meters per second how long will it take for the second

The palo duro canyon is 120 miles long, as much as 20 miles wide, and has a maximum depth of more than 0.15 mile. What is the approximate volume of this canyon?

Square root of 20 is it rational or irrational? square root of 24 is it rational or irrational? square root of 61 is it rational or irrational? square root of 62 is it rational or irrational? square root of 101 is it rational or irrational?