Find the domain of the function expressed by the formula: y = 4x − 1/5

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Solve for x and select the correct answer

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is