Which maps ΔABC to a similar, but not congruent, triangle? Group of answer choices

(r90° ◦ T<2, −2>)(△ABC)

(Rx-axis ◦ r90°)(△ABC)

(D4 ◦ r180°)(△ABC)

(T<2, −2> ◦ Rx-axis)(△ABC)

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Which shows one way to determine the factors of  x3  +  5x2  –  6x  –  30 by grouping? x(x2  –  5)  +  6(x2  –  5)x(x2  +  5)  –  6(x2  +  5)x2(x  –  5)  +  6(x  –  5)x2(x  +  5)  –  6(x  +  5)

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

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