Answer:490pi
Step-by-step explanation:just trust me
Answer:
c
Step-by-step explanation:
4 times 2 is 8. 3 and 3 times -4 is -12
8 minus -12 is negative 4
Because when you multiply by 10, it adds a zero to the end of the number, like 12*10 = 120, so vise versa for dividing
So-called simplifying, really means, "rationalizing the denominator", which is another way of saying, "getting rid of that pesky radical in the bottom"
No he did not because 20% of 250 is 50 and there are 90 students not 50 students!! Hope this helped you a lot !!!