If josh spends 4,000 a year on tuition and fees, 1,200 a year on books, and forgoes earning 10,000 a year, how much will his four year degree cost

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air