Fiona bought some socks that cost $4.95 for each pair and some belts that cost $6.55 each. fiona spent $27.95 in all. let a represent the number of pairs of socks purchased and b the number of belts purchased.

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

What is the least common factor of 6 and 8

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours