Answer:
x=15
Step-by-step explanation:
the angle 7x+12 and 63 are on opposite sides of complimentary, meaning they add to 180.
180-63 = 117
117-12 = 105
105/7 = 15
Answer:
100 mL
Step-by-step explanation:
Subtract 150 from 250 to get the answer, hope this helped!