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Solve the equation. (2z – 4)2 + 12 = 4

Solve the equation. (2z – 4)2 + 12 = 4

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Solve the inequality. Write your answer in interval notation…

Solve the inequality. Write your answer in interval notation.-7 – 3(2x + 1) < x – (-7 – x)

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Factor the sum of cubes.8y3 + z3

Factor the sum of cubes.8y3 + z3

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The reciprocal of a number is added to 27, and the result is…

The reciprocal of a number is added to 27, and the result is the quotient of 38 and the number. Find the number.

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Factor by grouping.6tz – 22z + 18t – 66

Factor by grouping.6tz – 22z + 18t – 66

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Factor out the greatest common factor.30×4 – 48×2 + 15x

Factor out the greatest common factor.30×4 – 48×2 + 15x

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Find the value of n so that the expression is a perfect squa…

Find the value of n so that the expression is a perfect square trinomial and then factor the trinomial.x2 + 10x + n

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Solve the system.-11x – 2y = 811x + 2y = 121

Solve the system.-11x – 2y = 811x + 2y = 121

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The current in a wire varies directly as the voltage and inv…

The current in a wire varies directly as the voltage and inversely as the resistance. If the current is 9 A (amps) when the voltage is 90 V (volts) and the resistance is 10 Ω (ohms), find the current when the voltage is 195 V and the resistance is 10 Ω .

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Solve the radical equation, if possible.5t =

Solve the radical equation, if possible.5t =

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