The answer is D. The bottom number is multiplied by two each time.
group the 1st 2 terms and last 2 terms:
(Z63 -2z^2) + (9z-18)
factor out GCF:
z^2(z-2) + 9(z-2)
now factor the polynomial:
(z-2) (z^2+9)
50 because 80+50+x=180 (inside triangle) x=130 180-130= 50 (angle outside triangle)
Answer:
A
Step-by-step explanation:
Answer:
24
Step-by-step explanation:
11+8=19
19×3=57
33-54=24