Answer:
c
Step-by-step explanation:
One the temp is going dropping which sets up for a negative number resulting in -3 degrees
The most common base used today is the decimal system which means 1 to 9.
The binary system is base two and it only uses the numbers 1 and 0. It does not go over 1. So base 5 is a number system that doesn’t go over four. It’s a little hard to understand until you do some questions relating to it.
Explanation is in the file
tinyurl.com/wpazsebu
Answer:

Step-by-step explanation:
Since we use the sides opposite and adjacent to the given angle, we will use the tangent ratio:

Insert the given values:

Since we need to find the angle, use the inverse:

Insert the equation into a calculator:

Round to the nearest tenth:

:Done