The formula is v= pie r squared times heigh so the answer would be 141.4 r squares
Answer:
41
Step-by-step explanation:
Given x = -2,
Substitute x into the expression.
Answer:
25
Step-by-step explanation:
he got an 80 so if that was his grade by answering 20 questions right then the correct answer would be 25 questions
Assuming O=o
group then add like terms
1o+2a+1b-2o-1b+1o=
1o+1o-2o+2a+1b-1b=
0+2a+0=
2a