Round 21,839 to the nearest 100

Tina eats 2/3 of her 18 cookies. How many cookies did Tina eat?

Evaluate each expretion if a=2, b=3, and c=4 a+3b+8c

Why are all of the questions that I ask I get the wrong answers I paid to be able to use this site and all of the answers I get on this site are wrong

If there's 20 foot fence and there are four equal sides and you have paid one half what fraction of the job have you completed

How do you know an angle is greater than or less than a right angle?

Claire for to a show sale. Everything on the shelf is 35% off the marked price. She falls in love with a pair of red heels that are marked $64.99. if the sales tax is 7.5%, what will the total cost be.?

The population of a certain inner-city area is estimated to be declining according to the model P (t) = 452,000e-0.014t, where t is the number of years from the present.

18. 7. A baker's dozen (13) of cookies is on sale for $4.94. What is the cost of an individual cookie? ya

Round the answer to the nearest cent. The price of an Item seling at 150% of its $63 value is

If Johnny drives 120 miles in 2.4 hours, how long would it take him to drive 424 miles