What is the property for 21 + (8+3) = (21+8) + 3

316 yards in 12 seconds is how many feet in 12 seconds

What is n times43.50=435?

A cube as a volume of 1/512 cubic meter. What is the length of each side of the cube? Explain your thinking

The population of a small town is increasing by 52 people per month. If the current population is 5693 people, how many months ago was the population 3613 people?

The scale on a map of Roswell, New Mexico is 1 inch : 0.5 mile. If two buildings in Roswell are 2.3 miles apart in real life, then to the nearest tenth of inch, how far apart are they on the map?

Mary has a collection of nickels and quarters for a total value of $4.90. If she has 42 coins total, how many of each kind are there?

3y to the power of 2 + 6y+2y

The exact number of kilometers in m miles is f (m), where f is the function defined by f (m) = 1.609344m. (a) find a formula for f-1 (k). (b) what is the meaning of f-1 (k) ?

How do you find lateral area of a rectagular prism?

Why is it important to include both a number and a unit when describing a measure?