Answer: The answer is 
Step-by-step explanation: Given that the penguin nursery is open two times in a day, where the number of hours open at the noon and afternoon are respectively given by

Therefore, the total number of hours 't' penguin nursery open every day is given by

Thus, the answer is

Answer:
B. 7/-8
Step-by-step explanation:
it doesn't matter which number the negative sign is on, the result stays the same either way.
Answer:
y=mx+b
Step-by-step explanation:
M= The slope (rise/run)
B= y intercept (usually the point that the line passes through)
Plug in values for x and y (0,0)
Hope this helps! :)
The area of the composite figure is 50.8m
Your correct answer is 12.