Ms. Scott, the principal of Phoenix High School, was conducting a survey about student's
impressions of the virtual student days and decided to ask 10 random students from each of the 5
periods for the day. Which type of sampling did she employ?

Which of the following expressions is equal to 2x^2+8

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.