4. the depth of the water in a water tank changes
every time someone in the harrison family takes a
bath or does laundry. a bath lowers the water
level by 4 inches. washing a load of laundry
lowers the level by 2 inches. on monday the
harrisons took 3 baths and washed 4 loads of
laundry. by how much did the water level in the
water tank change?

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

first one because it can't have a fraction in it

step-by-step explanation:

hope this !

a

step-by-step explanation: