For what value of k does the linear system below have infinite solutions? x + 3/4y = 13
3x + ky = 39
1) 0. 2) 3/4. 3). 39. 4) 9/4

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%