Which of the following can not be used to express the number -6?
a: six below zero
b: six less than zero
c: negative six
d: six above zero

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

What is the ratio of the length of an object in yards to the length of the same object in miles?

What is the radical expression that is equivalent to the expression 27 1 over 5?