Answer:

Step-by-step explanation:
<u><em>Distance between two points:</em></u> Distance between two pints
is given by

Distance between 

Narrowing it down it's either a or c because the other 2 choices open downward (negative a).
Graphing the 2 parabolas choice c is narrower.
c
Answer:
Hello,
If 7/10 boys represent 28 boys so, 3/10 girls ? how many girls ?
cross product
7/10 > 28
3/10 > ?
3/10*28/(7/10)=12
There are 12 girls
Step-by-step explanation:
Answer:
21/4
Step-by-step explanation:
4 1/2 is 9/2 is 18/4
18/4+3/4=21/4
I could help if I had a picture of the problem