David earned a fixed salary each month. In January, he spent $400 and

saved the rest. In February, he spent 10% more and his savings dropped by

20%. What was David's savings in January?

What is the value for number 8 in 56.389?

The ratio of the interior angle measures of a pentagon is 2:2:3:4:6. what is the measure of the smallest angle to the nearest degree

If you deposit $4500 into an account paying 7% annual interest compounded semi anualy, how much money will be in the account after 9 years?

A recipe calls for 3/1/3 cups of flour. Charlie only has 1/3 - cup measuring cup. How many times will Charlie need to fill the 1/3 - cup measuring cup?

If BE=6.25 calculate EC

What do you know about the sum of the exponents for x and y in any term in the expansion of (x + y) n.

If there are 15 puppies 12 kittens and 6 rabbits in a pet store than what animals are in a 5 to 2 ratio

Two airport shuttle buses arrive at a subway station at 7:30 am if one airport shuttle bus arrives every 8 minutes and the other airport shuttle bus arrives every 10 minutes, what is the next time they will arrive at the subway together?

A fence must be4 built to enclose a rectangular area of 45,000ft squared. Fencing material costs $1 per foot for the two sides facing north and south and $2 per foot for the other two sides. Find the cost of the least expensive fence.

What is the value of x? x-16=8 Enter your answer in the box in simplest form.