HELP ME I WILL GIVE BRAINLISET PLEASE DON'T IGNORE HELP ME WITH 11 AND 13
Answer:
11. x = 3 and BC = 8.
Step-by-step explanation:
FA = 2BC so
3x + 7 = 2(3x - 1)
3x + 7 = 6x - 2
-3x = -9
x = 3
and BC = 3(3) - 1 = 8.