Question 1 If a = 9 and b 4. what is the value of 2a -b? - 10 14 C 25 72

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Q: 4 Given A = 2 -3 Find A?

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A: Given : A right-angled triangle ∆ABC, ∠A = 45°∠C = 90°AC = 9

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Q: Simplify

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.