Option c : 9 is the answer.
Explanation:
The expression is 
We need to determine the subtracted value of the expression.
From the expression we can see that the expression contains two negative signs.
To simplify the expression, we know that, When we multiply two negative numbers then the product is always positive.
This means 
Thus, the expression can be written as

Adding the two numbers, we get,

Thus, the value of the expression is 9.
Hence, Option c is the correct answer.
Answer:
The answer is b:153
Step-by-step explanation:
Supplementary angle are angles whose angles add up to 180 degrees.
Ricardo is not correct because the temperature is actually getting colder (idk if I need to explain it more). The difference is -12 F
Answer:
7
Step-by-step explanation:
10+7+1+6+7+9+8+10+2+5
-----------------------------------
10
65 ÷ 10
= 6.5, round up, = 7
Answer:
the first one
Step-by-step explanation: