Answer:
Each friend donates $10.
Step-by-step explanation:
If they keep 5% of all donations, 5% of $10 is $0.50 and you lose out on $2.50. With 5 friends, this equates to $10 per person.
Answer:
Below.
Step-by-step explanation:
Part A: 
Part B: Degree = 2, Classification = Quadratic
Part C: The polynomial is closed because it is multiplied. You CANNOT close under division.
Answer:
-75/48
Step-by-step explanation:
multiply 5 by 15
and 6 by 8
5x15 is 75 , put it in numerator
6x8 is 48 , denominator
then the answer should have the negative sign
Answer:
18.4 cm
Step-by-step explanation:
Using Pythagoras rule:
Hypotenuse =

= 18.4 cm