A store is going to make a trail mixture of peanuts and chocolate candies. They want the mixture to sell for $3.20 per pound. Peanuts sell for $4.50 per pound and they are going to use 20 pounds of peanuts. If chocolate candies sell for $2.25 a pound how
much of the chocolate candies should they use (round to the nearest pound)?

A)25 pounds
B)27 pounds
C)28 pounds
D)30 pounds

Write a corresponding real world problem to represent 2x - 125=400

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.