D because it does not specify when he would buy a house
Answer:
The statement which is true in the choices is the third item in the choices such as "Nina makes 20x dollars at the clothing store each week". It was clearly stated in the given that x represent the total number of hours she worked in a week. This statement made the other items in the choices wrong.
Step-by-step explanation:
I hope this helps you :)
4 x 10^12 is 4000000000000 in scientific notation. The decimal needed to move 12 places to the left.
