20,320 + Ι-282Ι = 20,602
The vertical lines indicate absolute value, or the distance from sea level.
Answer:
A
Step-by-step explanation:
given 
note that 49² = 2401, hence
=
→ A
Here. Remember to get the correct units. If you need extra help, I am more than willing to help!
Answer:
B
Step-by-step explanation:
If you calculate the side of a square using pythagorean theorem, you would get a side length of sqrt37. Simple multiply this by 4
Answer:
P=1/42.
Step-by-step explanation:
We know that the student council has 10 members where 5 of the members are Seniors. They need to choose a President, Vice President, Secretary and Treasurer. We calculate the probability that the President is a Senior:
We calculate the number of possible combinations:

Number of favorable combinations is 5.
Threfore, the probability is
P=5/210
P=1/42.