Answer:
I don't know that answer will come back to you
Answer:
15. 50.24
Step-by-step explanation:
pi times r squared
If you only have 3 point problems you have a total of 3*30=90 points, since the test has 100 points you need 10 extra points, so 10 of those 3 point questions have to be changed to 4 point questions.
So 20 3-point questions and 10 4-point questions.
