Find the value of x.
a,4 b,6 c,2/3 d6/3

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

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