The base is the number that the exponent is attached to. So ten squared, the base is ten.
D) Because if you do 9 *6 you get 54 minutes until the next time.
Answer:

Step-by-step explanation:


Subtract 2x from both side
X = 5
The solution is 5
13n+4
there is an equal difference between each number where four is added on each time, so you would add for on to the last number which would give you the 13 and use the +4 at the end to show the differences between the numbers