19-7 equals 12. 12 times -6=-72. Sara’s number is 7
Answer:

Step-by-step explanation:
............................
Plug in (7, 12) for x and y in the equation.
12 = 2(7) + 1
12 = 14 + 1
12 ≠ 15
Therefore, (7, 12) is not on the straight line equation.
Answer:
It should be the first one
Step-by-step explanation:
since positive ten would represent going further up and negative ten going further down, the diver would be within ten feet of her current position
The answer is,

Also equivalent to about, 0.185188.