What is 23 + 46?
i really need help with this
please help have mercy​

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents