Ce Number Chart 2. What is the meaning of this symbol < in comparing numbers?

Solve for the value of x to make the mathematical sentence true. you may try several values for x until you reach a correct solution. 6) 4 + x = 9

Perform the indicated division.pls help me,how to solve this thanks in advance.1.28x⁴+36x²y-16xy ÷ 4x2.a²b-a²b²+3ab ÷-ab3.15n²-n-6 ÷5n+34.6y²+2y-28 ÷3y+75.y²-6 ÷y+36.(y³-b³)÷(y-b)7.(6b³+11b²-4b-4)÷(3b-2)8.(x⁴-4x³+2x⁴+4x+1)÷(x²-2x-1)9.(x⁴-4x³+2x⁴+4x+1)÷(x²-2x-1)10.(9a⁴+3a³b-5a²b²+ab³)÷(3a³+2a²b-ab²)​

Give me at least 3 examples of point, line , and plane in our home or sorroundings