A boy is 29 inches tall he is 1 year old and 66 inches tall when he is 15 year old

Blank × 10-3 is 2,000 times greater than 1.9 × 10-6. it is also blank times greater than 9.5 × 10-4.

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.