Answer:
30 degrees
Step-by-step explanation:
90 + 60 + x = 180
150 + x = 180
-150 -150
x = 30
0.76
19 divided by 25 is 0.76.
7.71$
12 pounds = 92.52$
price/12 pounds {divided by} 12 = price/pound
92.52$ {divided by} 12 = 7.71$
, we have
to be continuous at 
, we require that the limit as 
is equal to 4.