Answer:
628.32
Step-by-step explanation:
Volume:
πr2h
=π×52×8
= 200π
= 628.31853071796
#7 is the easiest one.
a + bi = -9 + 4i
see the expression on either side matches up so..
a = -9 and b = 4
Answer: The answer would be 950 international minutes. Only if assuming that this is in one month since the question doesn't give much detail.
Step-by-step explanation:
X would be used to represent the number of months.
25+0.10x=120
0.10x=95
950 international minutes used
Answer: 494991
Step-by-step explanation: