A father is 4 times as old as his son. In 20 years the father will be twice as old as his son. Find the present age of eachi.​

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

Select all the expressions that will include a remainder.