What is the percent decrease on a dvd recorder that is marked down from $400 to $350

7 over 20 as a decimal

Lowest common multiple of 21 and 4 show all the numbers

What can be concluded about a cylinder and a cone with the same height and radius measures? Check all that apply The cone has the greater volume, The cone and cylinder have the same base area The cylinder can fit inside the cone The cone and

Mr. Harris has some money in his wallet. He pays the babysitter $12 an hour for 4 hours of babysitting. His wife gives him $10 and he puts the money in his wallet. By how much does the amount in his wallet change?

Rationalize the denominator and simplify. 2 sqrt x - 3 sqrt y / sqrt x + sqrt y

Bamboo is one of the fastest-growing plants. A typical growth rate for bamboo in temperate climates is 3-10 centimeters per day during the growth season.

For the past 7 years, George and Sue have deposited $10,000 in a retirement account with a simple interest rate of 4%. They plan to continue to make annual deposits for the next 15 years. Explain how their money will grow over time.

What is this answer 2000 (0.085)

Which of the following is a unit rate?

7 Katalin drove 250 miles on her vacation. She drove an average of 1.3 times faster on the second 125 miles of her trip than she did on the first 125 miles of her trip.