They are variables. They stand in for different numbers in a problem. for example) a=12
=> x² = (2.4)² + (4.8)²
=> x² = 5.76 + 23.04
=> x² = 28.8
=> x = 5.366563146
=> x = 5.4
Ans: 2nd option (5.4)
Hope this helps!
Answer:
7.
Step-by-step explanation:
What you can do to figure it out is divide 35 by all the answers. If it comes out even that's the answer. 35/7 = 35
<em>hope this helps, good luck :)</em>