Atrain travels 42 kilometers in 15 minutes. how far will the train travel in 3 hours at that speed

What is the perimeter of a rectangle if the length is 5 and the width is x?

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.

The first triangle is dilated to form the second triangle. select true or false for each statement. statement true false the scale factor is 0.625. the scale factor is 1.6. a right triangle with a side length of .5. an arrow points to a larger right triangle with a side length of .8