Teresa placed parentheses in the expression below so that its value was greater than 80. Write the expression to show where Teresa might have placed the parentheses. 10.5 + 9.5 × 3 - 1 × 2.5

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16

This is about circle theorems. someone asap : (