Austen's parents hired a clown and a magician to perform at his little sister's birthday party
this year. The clown cost $100 plus an additional $20 per hour, and the magician cost $120
plus an additional $30 per hour. Both performers stayed at the party for h hours.
Pick all the expressions that represent how much Austen's parents spent on the performers.
220 + 50h
h(100 + 20) + 6(120 + 30)
100(h + 20) + 120(h + 30)
(100 + 20h) + (120 + 30h)

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x.which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Someone answer asap for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =