Which expression has a value of −24? (−24)+48

24+(−24)

(−48)+24

(−24)+(−24)

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

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