Answer:
8)55°
9)35°
10)55°
11)69°
12)64°
Step-by-step explanation:
8)180-125=55
9)90-55=35
10)180-125=55
11)180-111=69
12)45+69=116
180-166=64
This is my answer/how I did it :
y+5x=17 can also be 5x+y=17
5x+y=17
-y -y
5x=17-y
+17 +17
5x+17=y (answer)
Answer:
b. 720
Step-by-step explanation:
Answer:
135
Step-by-step explanation:
The given expression is
From the question, x=5
So,by substitution,we obtain
Hence the answer is 135