Evaluate the function ƒ(x) = − (x2 − 1) and simplify at the indicated value: ƒ(−a) = ?

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

What is not true about kl and mn? what is mn? (show )

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