What is the answer for x?

-3/5x - 7/10x + 1/2x = -56

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is