The total length of an extension cord measures 18 9/16 inches. the plug end measures 2 3/4 inches, and the receptacle end measures 5 3/8 inches. what is the length of the wire portion of the extension cord?

What are “like terms”? why can we only add like terms?

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.