What is the next three terms in sequence 4, 7, 10, ____, ____. ____

What do you think is the rule/pattern used to find the 4th and 5th term in the sequence of 1, 3, 7, 15, 31?

What is N in the sequence  3, 6, 12, N, 48?

Find the next term of the sequence 2, 5, 11, 23________

Solve the equation  a -3 =9

A number increased by 7 is equal to 21.  What is the number

A number decreased by 15 equals 42.  Find the number.

4n = 32.  What is the value of N?

After he lost 14 pounds, Jezryl weighed 172 pounds.  Find Jezryl's original weight.

There are  3 balls in the first basket, 8 balls in the second basket, 13 balls in the third basket.  How many balls should be there in the fourth basket?