Answer:
The length of each side is 15.
Step-by-step explanation
The length of each side is just found out by doing 60/4
Answer:
i do not know
Step-by-step explanation:
This is because astronauts can't sprinkle salt and pepper on their food in space. The salt and pepper would simply float away. There is a danger they could clog air vents, contaminate equipment or get stuck in an astronaut's eyes, mouth or nose. Astronauts eat three meals a day: breakfast, lunch and dinner.
Answer:
I believe the answer is no
Step-by-step explanation:
Because they are all different numbers
Answer:
B. 96
Step-by-step explanation:
Let x represent score of final third exam.
We have been given that in a given course a student receives preliminary examination grades of 81, 85, and 95.
Let us find average of preliminary scores.

We have been given that the final examination is weighed for one-third and the average of the preliminary grades is weighed as 2/3 of the final grade. This means that final grade is equally weighed into 3 parts. The two parts are 87 each and third part is x.
Using our given information, we can set an equation as:






Therefore, the final examination grade should be 96 for a semester average of 90.