Answer:
Step-by-step explanation:
1.
- a) Intersecting lines,
- It is not a mathematical system unlike the other options
2.
- In mathematics and logic, a theorem is a non-self-evident statement that has been proven to be true, either on the basis of generally accepted statements such as axioms or on the basis of previously established statements such as other theorems. (Wiki definition)
3.
- Angle is defined.
- Line has undefined width and thickness.
- Plane has undefined thickness.
- Point has undefined length, width and thickness.
So there are 50 teens total
16% have no sibblings
so we must find 16% of 50
16%=16/100=0.16
'of' can be translated as multiply so
0.16 times 50=8
there were 8 teens who have no sibblings
Answer:
3.......
Step-by-step explanation:
3
Answer: 
<u>Add 3x to both sides</u>
<u></u>
<u></u>
<u></u>
<u>Subtract 15 from both sides</u>
<u></u>
<u></u>
<u></u>
<u>Divide both sides by 5</u>
<u></u>
<u></u>