Answer:
1: male + female 
30
2: 140 + 25x 
550
Step-by-step explanation:
Right answer is C
We can solve it with the formula
y=mx+b
b is the point where graphic starts
Table C shows us 0 by x, and -4 by y
So the graph starts at (0, -4 )
Answer:
3
Step-by-step explanation:
Rewrite the logarithmic notation to index notation.
4^x=64
Change 64 to index notation
ie 64 = 4^3
Since the base is the same(4) cancel them out
You remain with x = 3
Answer: -7
Step-by-step explanation: The sea level is at 0 so 0-7= -7
$300 because 300x2=600 then 75x8=300 and 600+300=900
