You and your classmates decide to sell sweatshirts and T-shirts to raise money for a school trip. You decide that you should sell at least thirty items, but do not want to exceed 120 items. Based on a small survey of students, you also decide that the number of T-shirts should be at least twice the number of sweatshirts. Write the inequalities, then assume the profit for sweatshirts is $5 and the profit for T-shirts is $2. What's the max profit?

Use the matrix-column representation of the product to write each column of ab as a linear combination of the columns of a.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was