Answer:
k/11 = 7
Step-by-step explanation:
K is being divided by 11 and equals 7
24+20=44
4(6+5)=44
the first one
Written as an inequality- x+18<28
Answer:
I believe the answer is C. 90 degrees
Step-by-step explanation:
First you find the lengths of the two vectors, which are both
. Then you find the angle given the cos using: cos(∅)=
=
= 0. Then using ∅=acos(0)=
= 90°