The art teacher needed 100 sheets each of blue paper, red paper, and green paper. she found paper on sale in one-color packages of 50 sheets for $0.99 and multi-color packages of 225 for $2.99 in the following combinations:
pgk.1: red, blue, yellow
pgk.2: black, green, red
pgk.3: green, orange, white
what is the cheapest way to buy the right amount of paper?

What is the pattern in the values as the exponents increase?

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.