Answer:
-9
Step-by-step explanation:
The triangle has two sides that are the same, so it is an isosceles triangle. Therefore, the base angles are the same.
Angles of a triangle add up to 180°, so:
70 + (x + 64) + (x + 64) = 180
70 + 2x + 128 = 180
2x = -18
x = -9
Answer:
-12
Step-by-step explanation:
We start with the equation: 
Substitute the variables: 
Solve using order of operations (start with multiplication): 
And then addition/subtration: 
Answer:
The adult tickets cost $9 each. The child tickets cost $5 each.
X = $9 and Y = $5
Step-by-step explanation:
$9 x 6 = $54
$5 x 2 = $10
Add them and you get $64.
For the first one, do the same.
$9 x 3 = $27
$5 x 4 = $20
Add them and you get $47
Answer:
-6x-42
Step-by-step explanation:
Open parenthesis.
-42-6x is what you get once opened.
Answer: -260
Step-by-step explanation:
