Which situation results in a final value of zero? The overall change in temperature when the temperature goes from -20 °F to 25 °F.

The total profit made when a person buys an item for $5 and then sells the item for $5.

The overall change in altitude of a hot air balloon after rising 31 kilometers from 0 kilometers.

The total distance a person travels when he bikes 10 miles to the barber shop and then bikes 10 miles back home.

step-by-step explanation:

most likely the answer is a.

alice wins if a total of 5 is rolled. finn wins if a total of 9 is rolled.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!