exam Maths Puzzle Numerical Ability

Solving Linear Inequalities: Can you help me with this? The question is, Solve each simple linear inequality. Graph each solution on the number line provided. Example: 6x + 7 > 11 <------------>. ? How do I solve this problem? Thanks, JT.

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exam Other Question

Which expression describes a linear function that always passes through (0,0)?

A. Positive function
B. Negative function
C. Inverse variation
D. Direct variation Word Problem:

Your relative wants to pick apples from the tree pictured below. Given that the tree casts a shadow of 30 ft. when your 6 ft. neighbor casts a shadow of 10 ft., how long should a latter be to reach the top of the tree?