Answer:14+12+12=38. So 38 is your answer.
Step-by-step explanation:
m^2-2mn+n^2 m=-2
(-2)^2-2*-2*4+(4)^2
=>4+16+16
=>36
Hope this helps u...!!!
To find the average you have to add 86, 88, 92, and 90 together and divide it by four.
86+88+92+90= 356
356/4= 89
ANSWER= 89
Answer: Always remember that the sum of three angles belongs to triangle equal to 180 degrees,
x+59+84+X+51=180
2x+194=180
2x=180-194
2x=-14
x=-7
measure of angle A=-7+51
=44
