Juana had 523 pom poms and used 413 of them on Monday. On Wednesday, she bought 66 more pom poms. How many pom poms did Juana have on Wednesday? Which equation matches this problem?

(523 – 413) + 66 = ?
(523 + 413) + 66 = ?
(523 – 413) – 66 = ?

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?