Why.Why do you have 3,500 CD's in the first place?!?!?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%