Here is a list of numbers:
38, 97, 85, 62, 93, 78, 59, 19, 63
Calculate the range.

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.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1