Elizabeth deposits a total of $750 into saving account each year. The account earns 2% interest compounded annually. The table below shows details for the first three years the account was open. How much interest was earned the 4th year? A: $46.82
B: $61.82
C: $15.00
D: $93.03

x=half

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: