Answer:
The answer is A.
Step-by-step explanation:
This operation is a product of tho elements
The first is the difference between 'm' and 'n'
The last is the sum of 'm' and 'n'
1. Calculate how many hours passed between her temperature checks. 8 p.m to 8 a.m. is 12 hours.
2. Calculate the total change in temperature. 36 - 54 is -18, so the temperature went down by 18 degrees.
3. We are looking for degrees per hour, so we put derees(18) over hours (12) to get 18/12.
4. Calculate by dividing. The answer is 1.5 degrees per hour.
Answer: $2800
Step-by-step explanation:
if the function is f(x) and shes already saved $1000 plug in the functions, or in other words plug in x for weeks.
1000 + 150 x
(plug in x)
1000 + 150 x 12
so now you do 150 x 12 which equels 1800
then add how muh shes saved and thats will be your total.
D
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HOPE THIS HELPS!!
FEEL FREE TO FOLLOW ME IF YOU NEED ANYMORE HELP IN THE FUTURE
Answer:
y = -2+
and y = -2 -
combined, or 
Step-by-step explanation:

substitute y for x and x for y

this is technically the inverse but I will simplify further
x = 
±
= y+2
y = -2±
y = -2+
and y = -2 -
combined