Evaluate the algebraic expression.
10C - 7 x 11
C = 9

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

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.