Change to decimal 2/5 round to hundrethes

The infant mortality rate (per 1,000 live births) for the 50 states and the District of Columbia has a mean of 6.98 and a standard deviation of 1.62.

Kelly builds a dog run that is 3 feet wide and has an area of 12 square feet. The length of the dog run is feet. Kelly's brother builds another dog run that is also. 3 feet wide, but its area is double that of Kelly's dog run.

Initially, the ratio of Alex's toy cars to Pete's toy cars was 7:3. After Alex gave 20 toy cars to Pete, they had each an equal number of cars. How many toy cars did they have altogether?

What number am I? 3 ten thousands, 23 hundreds, 83 tens and 2 ones?

Use the linear combination method to solve this system of equations. What is the value of x? 3x+7y=31 and - 3x-2y=-1

Keira goes shopping at a supermarket

Give the LCM of 12 and 9

How do you solve for D to the 7th power times D to the 9th power

3. Brinn's rectangular kitchen has an area of 81 square feet. The kitchen is 9 times as many square feet as Brinn's pantry. If the rectangular pantry is 3 feet wide, what is the length of the pantry?

Highest place value for 54