Answer:
x=15
Step-by-step explanation:
x+165degrees=180degrees
x=180-165
x=15
Answer:
c = 72
Step-by-step explanation:
multiply both sides of the equation by 8 to eliminate the fraction
c = 8 × 9 = 72
note that
= 9
Answer:
All of them
Step-by-step explanation:
One minute later at 8:01pm. One lighthouse will flash 3 times (at 20, 40 and 60 seconds)...the other will flash twice (at 30 and 60 seconds). So they will both flash 60 seconds later, at 8:01
1 + 1 = 2 - 1 = 1 hope this helps.