Ralph sold brownies for $
0.63
0.63 a piece in order to earn money to buy baseball cards. if the cards cost $
1.35
1.35 per pack, and if ralph had no money left over after buying them, what is the least number of brownies he must have sold?

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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.