1. 1,728
2. You can't tell because it doesn't say the amount one serving will serve, and how many servings she is serving, and how many people come to her party. Sorry!!
I hope I helped with the first one!
to get the slope of any line, we can simply use two points off of it, for this one, say (3,12) and (4,16)

Divide forty-seven point five by ten
Write:-
47.5 ÷ 10 = 4.75
<span>Divide forty-seven point five by ten = 4.75</span>
Yes. 0.2782 is a rational number.
It's the ratio of 2782 to 10,000 .
Hint:
If you wrote the number down using digits,
then you wrote a rational number.
Every number that can be completely written
with digits is a rational number.
Answer:
it would be d for #1 because it has no solution for the question