Answer:
is there a picture?
Step-by-step explanation:
Combine like terms on left side:
(5f-3f)+(4-2)=2f-2
2f+2=2f-2 subtract 2 from both sides
2f=2f-4 subtract 2f from both sides
0=-4
Since the above in not true,
5f+4-3f-2 does not equal 2f-2 for any value of f....
Answer:
10 feet
Step-by-step explanation:
18 × 2 = 36
56 - 36 = 20
20 ÷ 2 = 10
To check work, add all lengths together. 4 sides. 18 + 18 + 10 + 10 = 56
Answer:
When 
Step-by-step explanation:
When
is smaller than
, the resulting value under the square root will become negative. Since it is impossible to take the root of a negative number, the expression is thus undefined, however, it can be represented with the imaginary number
where
=
.
Hope this helps :)
C I think because all of them add up to it so it would be 5seconds