Answer:
<2 = 133°
Step-by-step explanation:
< beside <2 = 47
<2 + < beside <2 =180 (straight line)
<2 + 47 =180
<2 = 180-47
about 120
x = 11
Yes, x and y do have a proportional relationship.
4c+5
(c-4)+(3c+9)=c-4+3c+9=c+3c-4+9=4c-4+9=4c+5
