Samuel is graphing points on a coordinate plane. Starting from the origin, he moves 7 units to the right and 4 units up, then he plots a point.
What is the x-coordinate of the point Samuel plots?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Collin did the work to see if 10 is a solution to the equation r/4=2.4

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y