True or false - 2.3 is rational

If you bought something in Colorado for $80, you would be charged $2.32 in state sales tax. What is the state sales tax in Colorado?

A book sold 38,200 copies in its first month of release. Suppose this represents 9.8% of the number of copies sold to date. how many copies sold to date?

Jay borrowed $15,000 for one year from a bank in order to buy a Ducatti motorcycle. He agreeded to pay an interest rate of 8% per year. At the end of one year, how much money would Jay pay back to the bank

James is reading the latest book by his favorite science fiction author. The table shows the number of pages James read over different periods of time. Calculate the proportionality constant from the table in terms of pages per minute.

Find the GCF of 68 and 70.

Susan tossed a die 1,194 times. Which of the following would be a good estimate of the number of times she got the number 3 on the die?

What is 2√-108 simplified expression

An adult elephand drinks about 325 liters of water each day. is the number of days the water supply lasts proportional to number of liters of water the elephant drinks?

Which irrational number can be added to pi to get a sum that is rational? 1/pi -1/pi -pi pi

Andy runs 436.8 meters in 62.08 seconds. I'd Andy runs at a constant speed, how far does he run in one second? Give you answer to the nearest tenth of a second.