It's 21212121
________
10000...
Answer:
315
Step-by-step explanation:
45/60 = 3/4
3/4 * 420 = 315
Not sure for (b)
Step-by-step explanation:
(a)55+80+x=180 (angles inside the triangle)
135+×=+180
x=180-135
x=45
Layla bu la 520 and glue 729
B. (x-4)(3x2-5)
your welcome