If five times a number plus two is 17 what is the number

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll