REAL ANSWERS ONLY! Topic: Systems of linear inequalities in standard form

Solution set:
y = - 2/3 x + 10
y = - 1 3/4 x + 12 1/2

Question:
Determine whether a given point is included in the solution area for the system. Support your answer mathematically.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?