54.2 degrees
explanation:
180-125.8 = 54.2
Answer:

Volume = 3.14 × 5² ×6 ÷ 3
volume = 157 cm³ B
This is a quadratic equation. There's a shortcut (two shortcuts really) called the Shakespeare Quadratic Formula (2b or -2b) applicable when the middle term is even:


OK, our problem is


Typically we'd write
but the answers here don't so we won't either.
Answer: C and D
For this case we must indicate the correct sign between the following numbers:

We have to:

So, we have to 
Answer:
