The length of the rectangular classroom floor is 19 feet less than twice the width write an expression to represent the area of the floor

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

On which number line are -3 and its opposite shown