Which are examples of equilibrium? check all that apply.1. water drips out of a faucet and down a drain.2. a person's income and expenses are equal every month.3. the pressure exerted on the inside of a balloon by the gas inside is equal to the pressure exerted on the outside of the balloon by the atmosphere.4. the temperature of a metal increases as heat is added to it.

I believe that the answers are 3 and 4

B and C.

Explanation:

The equilibrium means that amount that are coming equals the amount that are going.

B. A person's income and expenses are equal every month.

C. The pressure exerted on the inside of a balloon by the gas inside is equal to the pressure exerted on the outside of the balloon by the atmosphere.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !

hey there!

mass = 6.75 g

volume =   9 cm³

therefore:

d = mass / volume

d   = 6.75 / 9

d = 0.7 g/cm³

answer b