The lcm of two numbers is the product of the two numbers. true or false

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

12 3 4 5 6 7 8 9 10time remaining01: 24: 54which graph represents this system? y=1/2x + 3 y= 3/2x -1

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?