On the day their child was born, her parents deposited $30,000 in a savings account that earns 9% interest annually. how much is in the account the day the child turns 16 years old (rounded to the nearest cent)?

hint: an = a1(1 + r)n, r ≠ 1, where a1 is the initial amount deposited and r is the common ratio or interest rate.

these are the options
a. $109,274.47
b. $118,031.52
c. $119,109.18
d.$523,200.00

What is the volume of the sphere shown below with a radius of 3?

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.