On Friday night, the owner of Chez Pierre in downtown Chicago noted the amount spent for dinner Based at 28 four-person tables.

(a) Use Excel or MegaStat to find the mean, midrange, geometric mean, and 10 percent trimmed mean (i. e., dropping the first three and last three observations).

(b) Do these measures of central tendency agree? Explain.

95 103 109 170 114 113 107
124 105 80 104 84 176 115
69 95 134 108 61 160 128
68 95 61 150 52 87 136

Someone answer this asap rn 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)) =

Ineed with this problem 21 show steps

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30