Answer:
48
Step-by-step explanation:
Given: 
Now, solving it.
We first open parenthesis which is (b)
(17) = 
Next Multiply both side by 2
⇒ 816 = 
Now, we will divide both side by 17
∴ b
I hope this answers your question !
Answer:
y=131°
x=53°
Step-by-step explanation:
∠ ABD and ∠ BDC are supplementary.
The sum of the supplementary angles =180 °
thus y-4+x=180...........i
x and 37° are complementary, that is, they add up to 90°
Thus, x=90-37=53°
Using this value in equation 1 we obtain:
y-4°+53° =180°
y= 180°-53°+4°
y=131°