The table below shows the temperature in degrees for eight consecutive days as well as the respective number of ice cream cones an ice cream shop sold on each of these days.

temperature: 68 77 83 85 89 94 96 99
number of cones: 403 447 457 465 489 503 543 576

what is the correlation coefficient of the set of data? round your answer to the nearest thousand.

a) 0.956
b) -0.972
c) 0.019
d) 0.508

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?