Please help me The following graph shows a proportional relationship. What is the constant of proportionality between y and x in the graph?

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Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible