Hakeem is training for a long-distance race he ran six 1/4 miles on monday 5 3/4 miles on wednesday and 5 1/4 miles on friday about how many miles did he run

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

How can constraints be used to model a real-world situation?

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%