3(4x-9)+4=2(5x-7)+2 *if it’s a repeating decimal, round to the nearest hundredth (2 decimal places)

Help please .

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

Express -5 2/5 as an improper fraction.

The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume