Why does say its answers are correct yet I have spotted several of there answer's that are wrong. This is why i am very meticulous on what sites i use to study for my exams. My advice for anyone looking to study for exams would be not to come here.

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 jamie pay at the end?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10