Answer:
x = 0
Step-by-step explanation:

Expanding the left hand side we get

Taking 6 from left hand side to right hand side

Dividing both sides by 2

So, x = 0
6+9=15
y+9=x
x=30
y+9=30
y=21
The correct answer is the Last Choice ft equals truth
No
Given 3 sides of a triangle, the sum of any 2 sides must be greater than the third side.
Consider the 3 given sides 1, 7 and 11
7 + 11 = 18 > 1
1 + 11 = 12 > 7
1 + 7 < 11 ⇒ not valid
Hence these sides do not form a triangle
Answer:
$22
Step-by-step explanation:
Money raised = $506.
People on trip = 23
Money per person = $506/23
Money per person = $22