1.When evaluating the expression 4 + 7 * 2, what would you do first?
2. Name two types of grouping symbols and explain how you may use them.
3. Explain any errors in the following expression.
Evaluate each expression
4. 15 + 3 * 2
5. 12 3 * 5 - 4
Evaluate each expression when w=12, x=5, y=6, and z=4.
6. wx - yz
7.2w + x - yz
8. Use two or more of the variables in questions 6 and 7 and their assigned values to write an expression whose value is 18.
9. If a = 1.5, which is less, a- a or 1?
10.Geometry Find the area of the rectangle when t = 6 inches.