36 × 0.07 = $2.52 sales tax
Answer: 0. 327
Step-by-step explanation:
I just used a demos calculator I suggest using demos scientific calculator.
Answer:
No, the student is not correct. The correct expression is 9(n+13).
Step-by-step explanation:
"9 times the sum of a number and 13" means you must multiply 9 by the sum, not just by the number. 9n + 13 would be "the sum of 9 times a number and 13." Slightly different wording.
Answer:
See Explanation
Step-by-step explanation:
Given



Required
True about area II and III
The question is incomplete; so, I will answer using general knowledge.
If the total area is:

And there are 4 areas, then;

Rewrite as:

This gives:

Collect like terms


Rewrite as:

<em>So, the sum of areas III and IV must be 14x</em>