Which expression is equivalent to 10f - 5f + 8 +6g +4

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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.