Solve by elimination
4r – 4s + 4t = -4
4r +s – 2t = 5
-3r – 3s – 4t=-16

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Subtract and simplify. (-y^2 – 4y - 8) – (-4y^2 – 6y + 3) show how you got the answer if your answer is right i will mark you

Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1