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

A submarine is now at a depth of -35,25 meters. If it dives 8,5 more, we need to subtract that from the current depth, like so:
-35,25 - 8,5 = -43,75 meters
I think its 162 but i dont know so hope this helps sorry if it dont
Answer:
Inequality Form: m<7/3
Interval Notation: -∞, 7/3
Decimal. Decimal is the base-10 notational system for representing real numbers. The expression of a number using the decimal system is called its decimal expansion, examples of which include 1, 13, 2028, 12.1, and 3.14159.