Given:

m∠2 is 19° more than m∠1.
To find:
The value of m∠1.
Solution:
Let the measure of ∠1 be x.
Then, 
, it means the sum of m∠1 and m∠2 is 109°.





Divide both sides by 2.


Therefore, the value of m∠1 is 45°.
Answer:
Your answer is C. 8.
Step-by-step explanation:
Amplitude: 2
Period: 8
Vertical Shift: 3
Answer: 10
Step-by-step explanation: When multiplying integers,
if the signs are the same, the product is positive.
So a negative times a negative always equals a positive.
Therefore, -5(-2) is 10.
C. -2 because if you substitue the 2 in for x and then solve you get your answer
Answer:x=1
Step-by-step explanation:
y=y
y = -x + 10
y = 7x + 2
-x+10=7x+2
10=8x+2
8=8x
x=1