Based on the calculations, the unknown number is equal to
- Let the unknown number be x.
<h3>How to find an
unknown number:</h3>
Translate the word problem into an algebraic expression, we have;
Adding 21 to the unknown number:
Multiplying the result by 3:
84 more than two-thirds of the unknown number:
Equating the equations, we have:
Cross-multiplying, we have:
Read more on word problems here: brainly.com/question/13170908
(-2,-2)
Since it has a negative in front of the absolute value, the graph is a downward cone.
Answer:
B. 0.54
Step-by-step explanation: