Answer:
25 questions
Step-by-step explanation:
84%*x = 21
-simplify-
0.84 *x = 21
Divide both sides by 0.84 than...
you get x = 25
The first answer to the first question is 27
the second answer to the second question is 2,875 million km
the third answer to the third question is <span>31680000</span>
The domain is all real numbers.
Step-by-step explanation:
When x = -2, x + 2 = (-2) + 2 = 0.
30000L is larger than 3kL