Which of the following is a proportion?
1. 2/8 = 3/12
2. 2/3 = 4/9
3. 3/5 = 6/15
4. 4/7 = 2/14

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

What is the radical expression that is equivalent to the expression 27 1 over 5?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.