Answer:
I'm going to assume you meant 1.5 pounds and not 15 pounds each month.
Step-by-step explanation:
1.5*6=9
C
To find whether the volume would be doubled when the radius is,we can find the volume of the two balloons.
The formula of a sphere is:

Let's take 丌 as 3.14
The volume of the balloon with 4cm radius:

The volume of the balloon with 8cm radius:

As we can see,
267.94668 × 2 = 535.89 ≠2145.56
Thus,she wouldn't discover that the volume is twice as big when the radius is doubled.
Hope it helps!
The plants used 17440 Calories of energy.
C because one they would provide food and possibly anything to help people out
Answer:
You must divide
by 
Step-by-step explanation:
we have

Step 1
Solve for x


Step 2
Find the value of y

Substitute the value of x


therefore
You must divide
by 