Which expression is a factor of 4ab + 4a − 3b − 3?

b − 1
4a − 3
3b + 1
4a + 3b

What is the greatest common factor of 6a, 8a^{2}, and 14?

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?