Answer:
r1= -10 r2= +10 (10)
Step-by-step explanation:
r²= 165-65
r²= 100
r=+-(root)100
r1= -10
r2= +10 (10)
2 2/3
hope i helped. (:
B) f(x)=13x+4 and C) f(x)=|3x| − 4
it's a rectangle so the area is 6×8=48
