Plz and explain how to find the surface area

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?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?