Answer:
-45
Step-by-step explanation: no explanation
I think it should be 90° since x is a right angle
Answer:
I think its A
Step-by-step explanation:
Answer:
Choice B is correct.
Explanation:
The given equation is -r+5(r+2)=-10
Put r=-5 into the above equation
-(-5)+5(-5+2)=-10
5+5(-3)=-10
5-15=-10
-10=-10
Right and left side of above equation is equal by putting r=-5 so it is true statement.