Answer:
Total cost of Mark's board is $3.75.
Step-by-step explanation:
We are given the following in the question:
Length of wooden board =

Unit cost of board = $0.50 per foot
Total cost of board =

Thus, total cost of Mark's board is $3.75.
Answer:
C
Step-by-step explanation:
∠ FHI and ∠ JHI form a straight angle and are supplementary, thus
3x + x = 180, that is
4x = 180 ( divide both sides by 4 )
x = 45
Thus
∠ FHI = 3x = 3 × 45 = 135° → C
I think the answer is B. Hope this helps
Answer: odd
Step-by-step explanation:
A function is even if for any input value x and -x there is the same output value y. In other words, a function is even if:

A function is odd if it is true that:

Then we must test if
for the function: 


So 
The function is not even
Now we must test if
for the function.


and 
So
Finally the function is odd
Answer:
the first one
Step-by-step explanation: