I think the mean of variable a is 4
Answer:
hello. I would love to answer but can you please show me the photo. if yes i will answer.
Step-by-step explanation:
Answer:
to find the equivalent positive angle of a negative angle, just add 360 to it until it becomes positive and is between 0 and 360 degrees. -244 + 360 = 116.
Step-by-step explanation:
X+y=57
y=x+15
x+x+15=57
2x=42
x=21
y=21+15
y=36