Hello,
The sum of the angles of a triangle is equal to 180°.
<u>So :</u>
x = 180 - 40 - 55 = 85°
Have a nice day :)
Answer:
10
Step-by-step explanation:
well you are multiplying -5 and -2. When multiplying two negative numbers you get a positive. 5x2= 10.
Answer: xy
Step-by-step explanation:
Combine like terms to get 9xy-8xy
Then subtract the coefficient to get 1xy
Your finally answer is xy because you don’t need to include the coefficient of 1