Laura's Burgers cooks its burgers either well done or medium. Last night, the restaurant served 57 well-done burgers and 3 medium burgers. What percentage of the burgers served were well done?

In the geometric progression –3, 12, −48… what term is 3,072?

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%

Which expression gives the exact value of x?