I only know that a. quadratic, b. exponential, c.linear but I'm not good at writing equations. sorry
Answer:
<N = 73 degrees
Step-by-step explanation:
By vertical angle
X+7=28
x=28-7
x=21 is the answer
Answer: r = -5/18
Step-by-step explanation: You solve -3(1+6r)+12=14
-3-18r+12=14 (When distributed)
-18r+9=14
-18r=5
r=-5/18