Answer:
x is 5 and B is 66°
Step-by-step explanation:
Since the two lines are parallel then
A + B = 180°
8x + 74 + 2x + 56 = 180
Then x is 5
Since B is 2x + 56.
Then B is 2(5)+56=66°
Answer:
(7,10)
Step-by-step explanation:
Since both equations are equal to y, we can set them equal
y=x+3
y=2x-4
x+3 = 2x-4
Subtract x from each side
x+3-x =2x-4-x
3 = x-4
Add 4 to each side
3+4 =x-4+4
7 =x
Now we need to find y
y = x+3
y =7+3
10
Answer:
-28
Step-by-step explanation:
Answer:
The last one..Number 4
Step-by-step explanation:
When u add the two sides it's supposed to be larger than the bigger side
so 13+20 is smaller than 34