Answer:
none
Step-by-step explanation:
8-4=4
if every 2 years, 4 gallons disappear
then every 1 year, 2 gallons disappear
meaning that by 5 years there will be no substance left.
(5*2=10)
Answer:200 minutes or 3 hours and 20 minutes
Step-by-step explanation:
multiple 5 and 40 and you’ll get the answer 200
Y2-Y1/X2-X1 = 7-22/1-4 = -15/-3 = 5
y=5x+ 0
Answer:
is sometimes positive and sometimes negative.
Step-by-step explanation:
Take 
Take 
Hence 
for 
and 
for 
So is sometimes positive and sometimes negative in the interval.
Answer:
This is cheating
Step-by-step explanation:
First you follow what your teachers tell you to do and listen
