after working for 25 hours the mermaid $375 after working 40 hours of the mermaid $600 predict how much he would make after 10 hours

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.