Answer:
Step-by-step explanation:
Plug the first equation into the second

y=-2(-15)-5
=30-5
=25
The answer is A. The only way you can get the angle correct is by putting the compass in the center of the circle.
I'm a sixth grader and don't worry if your a good student then it will be a breeze
Answer:
= 
Step-by-step explanation:
The given expression is :

We need to find this expression is equal to what.

Hence,
is equal to
. Hence, the correct option is (c).