2. Which trinomial below is equivalent to the square of the binomial x-5? (1) x² + 25
(3) r? - 25
(2) rº - 10x + 25
(4) r? - 10x - 25

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

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%