What kind of fraction problems require you to have a common denominator?

What is 45-5+6-10+23

If 1 ounce=28.35 grams, how many grams are in one pound?

A minor league baseball team plays 89 games in a season. If the team won 14 more than twice as many games as they lost, how many wins and losses did the team have?

What is the simplified expression of 8 times y times 9

In a class of 40, 28 passed their maths test. What fraction of the class passed?

Andy canoe is 2.7 meters long. how long would it be in milliters?

5,000 mL is equal to: 5 L 0.005 L 5,000 cm² 5,000 cm³

Find the radical equivalent of 272/3 and compute it.

Simone takes dance lessons. Her shoes cost $150 per year, her tights and leotards cost $70 per year, her hair accessories cost $15 per year, and the dance lessons cost $1,000 per year. How much will Simone pay for five years of dance lessons?

Solve for all zeros, reduce as much as possible, show all work. x^4 + 14x^2 + 45 = 0