Determine which of the fundamental laws of algebra is demonstrated.2(x + 4) = 2x + 2 × 4
A. Commutative
B. Distributive
C. Associative
Answer: B
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Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.7x2 + 10x + 2 = 0
A. Factoring; -5, 14
B. Quadratic formula; 
C. Square root principle; -10, 0
D. Square root principle or factoring; -7
Use the standard normal curve table to find the closest z-score for the given condition.82.9% of the total area is to the left of z.
A. 0.95 B. -0.96 C. -0.95 D. 0.96
Provide an appropriate response.Find the circumference of a circle whose radius is 3 in. (round to the nearest hundredth).
Fill in the blank(s) with the appropriate word(s).
Multiply the expressions.(z - 15)2
A. z + 225 B. z2 - 30z + 225 C. z2 + 225 D. 225z2 - 30z + 225