Answer:
Triangle = 180 Degrees, so 77.
Step-by-step explanation:
42+35+x=180
x = 77
Answer:
make a chart to see the difference between the two animals
Slope = 18/6 = 3
Y-intercept = -6
Equation: y = 3x -6
Answer:
14x+19x+8-8
=33x
because 8-8 is 0 always so the answer is 33X
Why not look up "standard deviation" yourself, to be sure? But yes, the std. dev. is the sqrt of the variance.
