How to determine something is perfect square without square root?

How do you write 506 709 in expanded form and word form?

Toms son works in a sports store. Toms son earns a commission. He makes 2.5% of the amount he sells. Last week, he sold $900 worth of shoes. How much was his commission?

Will the product of 5/6 * 3 be more or less than 3?

Larry produced exactly 12 clown wigs in an 8 hour day, for 3 days. Which pattern shows how many clown wigs were made in 5 weeks?

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

Plastic cups come in packages of twenty-four and straws come in packages of twenty. What's the smallest number of each that could be bought so that you had the same amount of cups and straws?

What is 12+2-8=6-12 = - 6 + 18

A ramp leading into a building makes a 15 degree angle with the ground. The end of the ramp is 10 feet from the base of the building. Approximately how long is the ramp? Round to the nearest tenth.

What is 7 hunderedths in simpilest form?

Solve - 7x + 2x = - 45.