What type of number can be written as a fraction (p over q) where p and q are integers and q is not equal to zero? Α. π
B. All numbers can be written in this way
C. An irrational number
D. A rational number

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

Is the square root of 4 plus the square root of 16 rational?