Answer:
Step-by-step explanation:
2 * L + 2 * W = 68
2*L = 2* 9x = 9x + 9x
2*W = 2*8x = 8x + 8x
Since the perimeter is 68
9x + 9x + 8x + 8x = 68
The first box should be correct
30 + c = 40
Answer:
Step-by-step explanation:
P(A∪B) = 1/6 + 1/2 = 2/3
Answer:
n = 39
Step-by-step explanation:
The base angles are congruent, that is
3n = 117 ( divide both sides by 3 )
n = 39
I believe since ABD is 60, DBC is also 60 and then ABC is 120
