The number of swimsuits purchased at a department store is positively correlated with each of these variables. A change in which variable most
likely causes a change in the number of swimsuits purchased?
A. The temperature outside changing
B. The number of swimsuit cover-ups the store has in stock
C. The number of sand castles built by store customers
D. The number of minutes it takes the store's employees to get to
work
SUBMIT

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)