Pete smith found in his attic a woody woodpecker watch in its original box. it had a price tag on it for $4.50. the watch was made in 1949. pete brought the watch to an antiques dealer and sold it for $35. what was the percent of increase in price? (round to the nearest hundredth percent.)

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume