Answer: -3
Step-by-step explanation:
Since we are given the value of r, we can plug that value into the expression and solve.
15+6(-3) [multiply]
15-18 [subtract]
-3
Now, we know that the expresison is equal to -3.
Answer:
112 degrees
Angle J and the other angle combines to form a straight angle. In other words, they must total 180 degrees. Thus:
Subtract 68 from both sides:
And we're done!