115
Step-by-step explanation:
When two angles are supplementary, their measures must add up to 180 degrees. Therefore, if we call the other angle x:
x+65=180
x=180-65=115 degrees
Hope this helps!
= 5
step-by-step explanation:
to find the 15th term substitute n = 15 into the nth term formula
= (- 3 × 15 ) + 50 = - 45 + 50 = 5