Estimate the answer by first rounding each value. then performing the operation 28457 divide 638

The radius of a circle is 8 units what is the diameter of the circle?

A real estate agent received a $7000 commission for sale of $175,000 find the percent of commission

Is the difference between two rational numbers always as rational number?

If 6 people together weigh 938.5 pounds, what is their average weight?

Find 9 4/5. write in simplest form.

A car skids to a stop, leaving four skid marks with an average length of 60 feet. The road is asphalt. Skid tests reveal a drag factor of 0.75. Since all four wheels were braking, the braking efficiency is 100% or 1.00.

A candidate for mayor plans to campaign at 5 shopping malls before the election. In how many different ways can the candidate schedule the visits? Enter your answer as a whole number, such as 42.

mark is constructing a walkway around his in ground pool the pool is 20 by 40 and the walkway will be 4 wide what is the area of the walkway

You run a marina thats has 122 boat slips. you currently have 97 boats in the slips. how many slips are empty?

Given f (x) = 5x + 2 and g (x) = x - 3, find (fºg) (x)