Simplify by combining like terms. 3x + 4y − 2y + 7x
options:

4x + 6y

10x + 2y

10x + 6y

2y + 4x

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Give me the equations of two lines that have the same slope but are not parallel.