James owes his mom $47. he earned $26 for mowing his neighbor’s lawn and then lent his sister $13. which expression represents james’s financial situation?
a) –47 – 26 – 13
b) –47 + 26 – 13
c) 47 – 26 + 13
d) 47 + 26 + 13

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?