The longest piece of french knitting ever made was 13 miles long how far is this in km

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?