The answer is -4k^2 - 21k - 20! so sorry if I’m wrong but it’s the answer I got :>
Answer:
I'm not gonna answer
Step-by-step explanation:
but u have to multiply and divide your answer
Let
cos x=7/18
x=arc cos (7/18)-----> using a calculator-------> x=67.11°-----> x=1.17 radians
the answer is
x=67.11° or x=1.17 radians
<span>1.perpendicular bisector.
2.midpoint.
3.perpendicular bisector.</span>
