Answer: The open interval would be (31.4,42.5).
Step-by-step explanation:
Since we have given that
mean = 36.9
Standard deviation = 16.5
n = 48
At 98% confidence interval, z = 2.33
So, Interval would be

Hence, the open interval would be (31.4,42.5).
Answer:

Step-by-step explanation:
Exponential function
is
increasing if 
decreasing if 

Answer:
m = -1/2
Step-by-step explanation:
let me know if it helped
(too lazy to write a explanation)
Answer:
x= 3.21
Step-by-step explanation:
25- 21.79= 3.21
the equation equals to 25 so you need to find what x is by subtracting the other value
Hope this helps
Answer:
22.5 ounces
Step-by-step explanation:
150 times .15