x = -2
-2 + 2y = -12
add 2 to both sides: 2y = -10
divide by 2 on both sides: y = -5
when x = -2, y = -5
Answer:
Answer is A - $43.40
Step-by-step explanation:
For 115 minutes, we would be in the middle territory and so will need to use the middle equation:

There are 4000 rodents also since the ratio is equal 1
Six hundred four thousand sixteen
Answer:
The z-score for Michael's exam grade is 0.50
Step-by-step explanation:
Data
- standard deviation, σ = 2.0
- Michael's exam grade is the value of interest, x = 86
From definition, z-score is computed as follows:
Z = (x - μ)/σ
Z = (86 - 85)/2.0
Z = 0.50