Which expression is eqivalent to 10c - 6c + 3 + 7d + 12 + 4d? a. 16c+11d+15
b. 7c+11d+12
c. 4c+10d+16
d. 4c+11d+15

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.

Regular price 75$ discount 25%sale price?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)