While shopping at a clearance sale, Samantha finds a $60.00 dress on sale for 25% off. Samantha also has a 50% off coupon. Which statement correctly summarizes her savings? 1. Samantha will save $45.00 because the two sales will combine for 75% off the original cost.
2. Samantha will save $37.50 because she must first find the 25% sale price before taking the extra 50% reduction.
3. Samantha will save $22.50 because she must first find the 25% sale price before taking the extra 50% reduction.
4. Samantha will save $15.00 because the two sales will combine for 75% off the original cost.

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.

Charlie tosses five coins.what is the probability that all five coins will land tails up.

Hello, i need compare km^2 and km. what's difference in this?