Answer: A.
Step-by-step explanation: The formula for the volume of a sphere is 4/3 x pi x radius cubed. The final answer is approx 121.1, which rounds down to 121. Brainliest plz
Answer:
See Explanation
Step-by-step explanation:
Required
Proportion problems
An example is:
y is directly proportional to x such that: y=4 when x = 2;
Derive the equation
For direct proportions, we have:

This gives:

Make k the subject

So:

So, the equation is:


Assume the above question is for inverse proportion
The variation will be:

This gives:

Make k the subject


So, the equation is:


Answer:
simplify the equation to solve it, remove unnessecary parentheses and spaces.
Answer:
40
Step-by-step explanation:
Use the Outside Angles Theorem,
