a and b are parallel because 114 = 66+48 = 114, these two angles are the same because they are alternate exterior angles, and they couldn't be the same if a and b are not parallel.

4 0

3 years ago

Help please help me I need this

mixer [17]

Answer:

$\frac{5+-\sqrt{53} }{2}$

Step-by-step explanation:

in the equation given these are the values:

a=1 b= -5 c= -7

if we plug this in the quadratic formula $\frac{-(-5)+-\sqrt{(-5)^2-4(1)(-7)} }{2(1)}$

this is simplified to $\frac{5+-\sqrt{53} }{2}$

hope this helped

3 0

3 years ago

I don't know the answer please help

KatRina [158]

I had this question today. I believe its either D or C, but my friend told me it was D. So, I think it's D. I hoped if this helped you or not. If you get it wrong Im very sorry so it would've been C.

5 0

3 years ago