Answer:
The Sum is 49/12 (improper), or 4 1/12 (mixed).
The Difference of these 2 fractions would be 2 1/3 - 1 3/4 instead of adding them. The answer is 7/12.
Step-by-step explanation:
I did it by converting the mixed fractions into improper fractions, then making the denominators the same, and adding them together.
Start with the given formula for the surface area of a sphere.

Now substitute 2x + 5 in for r, the radius.
Then simplify the expression and write it in standard form.


Answer:
16
Step-by-step explanation:
20 + 16=36 36x2=72
Answer:
No.
Step-by-step explanation:
Use a vertical line test.
Vertical line test: If you can draw a vertical line and it <u>does not</u> cross two points in the line, then it is a function.
So, we draw a line.
Draw it through 9,0
It intercepts two points so No. This is not a function.
Hope this helps plz hit the crown :D
#Team Rainbows!
Answer:

Step-by-step explanation:



