Ciana worked 5 hours on Saturday and 6.5 hours on Sunday. If she earns $7.00
an hour how much did she earn?

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.

The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c

Solve for x where 0 equation: cot^2x+2cotx+1=0