Step-by-step explanation:
Circumference (C):

Area (A):

57.4 because u add all the side up and u get a answer
Answer:
1/45
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
m^2 + 5m - 4
Let m = -6
( -6) ^2 + 5(-6) -4
Exponents first
36 + 5(-6) -4
Then multiply
36 -30 -4
Then subtract
6 -4
2
In the second fraction, factorize the denominator:

Then we have, as long as
,

which you could also write as
