Step-by-step explanation:
if you're looking for x
x=180-42-51= 87°
and if you're looking for D
D= 180-42= 138°
Answer:

Step-by-step explanation:
From law of indices
Answer: Y= 4x - 14
Step-by-step explanation: Use the formula - ( x - x1) = m ( y-y1) [ m = slope = 4 , x1 = 3 , y1 = -2 ]