Find the area of a regular octagon with a radius of 20

1/2x+16=39 what is x

A t-shirt costs $16.50 with the total cost, including tax coming to $17.66. what was the tax rate? (% of change)

On friday 2 1/3 was used on saturday 1 1/5 was used how many more gallons was used on friday

What is the area of the trapezoid with the following dimension: b1=4 in, b2=6 in, h=9 in

The measure of CGD 36percent

George has a small coin collection. He has collected 16 gold coins, 28 silver coins, 32 copper coins, and4 bronze coins. At a flea market, George sells 15% of his coins. Find the number of coins he sold.

Allison's car can drive 450 miles on just 12 gallons of gas. What's the mileage per gallon?

A fleece top cost 34.00. It is on sale for 1/4 off. What is the sale price

The roots of 6 corn plants had depths of - 3.54 feet? / 2 4/5 feet, / 3.86 feet, - 3 2/5 feet. How many corn plants had roots between 3 and 4 feet deep?

suppose certain coins have weights that are normally distributed with a mean of 5.315 and a standard deviation of 0.7 to a vending machine is configured to accept those coins with weights between 5.235 and 5.