Answer:
A, 36
Step-by-step explanation:
There are 180 degrees in a triangle. 180-(65+79) = 36.
Answer:

$175
Step-by-step explanation:
Let x represent money saved by her in one month.
So money saved by her in one year (12 months) would be
.
We can represent our given information as:

Therefore, she needs to save $175 per month.
Answer:
x - 18°F = 2°F
x = 20°F
Step-by-step explanation:
First, write the equation with the information you know. It dropped 18°F from 6 to midnight, and by midnight the temperature was 2°F
Your equation should look like this: x - 18°F = 2°F
Move the constant to the right hand side and change it's sign:
x = 2°F + 18°F
Add the numbers to get x = 20°F
Hope this helped!