The mapping diagram shows a function. What could be a possible value for the missing number n? A. 7
B. 9
C. 8
D. 15

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight

Solve the system of equations. x=-2y+1 and x+2y=9. show work