Sandra worked 6.2 hours on wednesday,5.5 o. thursday and 3.5 hours on friday. which of the following is closest to the mean number of hours she worked over the three day period?
a: 3 hour
b: 4 hour
c: 5 hour
d: 6 hour

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

What 620000 divided by 10 to the third power