Answer:
Step-by-step explanation:
This is an geometric series.
Common ratio = second number÷ first number

To get the next number, 256 should be divide by (-4)

The three numbers are : -64 , 16 , -4
42 firefighters in total.
16 volunteered for the special rescue team.
n + 16 = 42
or it could be this way:
42 - 16 = n
Answer:
70 degrees
Step-by-step explanation:
Measure of arc ABC is 128 degrees, so measure of arc BC is 128-90 = 38 degrees.
Meausure of arc BCD is 102 + 38 = 140 degrees, so measure of angle A is 140/2 = 70 degrees
Answer:
2 hours and 45 minutes. or 165 minutes
Step-by-step explanation: