exam Maths Puzzle Numerical Ability

x^-1.5=27 . . . . . . I know that the answer is 1/9, but I have no idea how to get there.

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exam Other Question

Solve and graph the inequality. express youe answer in interval notation.

4-2x>-4

it should be greater than or equal to symbol;not just a greater than.

thanks for your help Write the equation in either slope-intercept form or standard form:

The vertical line through the point(-45,61)