Pi: Irrational
√(2/3): Irrational
0.57575757 is rational
and -1/2 is rational.
I hope this helps.
Answer:
$10.04
Step-by-step explanation:
-15.46+25.50
equals
25.50-15.46
If from the negative to the positive side, count how many dots are in between and add together. So it is 6 units apart or 6 dots apart.
Step-by-step explanation:
According to the pythagrean equation, it should be

8² = 6² + BC²
64 = 36 + BC²
BC² = 28
BC = ✓28 = 5.29
Your function is: 
Domain: $(-\infty, +\infty)-\{ 0 \}$ or $R-\{ 0 \}$
Range: $[-\frac{3}{2}, -\frac{1}{2}]$
Midline: $y=-1$