M<A + m<B = 180
5y + 9y + 68 = 180
14y + 68 = 180
14y = 180 -68
14y = 112
y = 112/14
y = 8
so
m<B = 9y + 68
m<B = 9(8) + 68
m<B = 72 + 68
m<B = 140
Answer:
The answer is 5 over 7
Step-by-step explanation:
Answer:
189
Step-by-step explanation:
-7 times -9 would give 56 and then multiplied by 3 gives 189.
Answer: 68
Step-by-step explanation: