Multiply and simplify.
? 
A. 
B. 
C. 
D. 
y
Answer: B
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Translate the phrase to an algebraic expression. Use n as the number unless otherwise indicated.the product of x squared and y.
A. x2 + y
B. xy
C. x2y
D. 
Solve the problem.Given that the polar equation r = 
models the orbits of the planets, compare Earth's orbit relative to the sun with that of Pluto and describe the difference. For Earth, 
and 
For Pluto, 
and 
A. Earth circles the sun, but Pluto does not. B. Earth's orbit closely approximates a circle with the sun positioned at its center. Pluto's orbit is more elliptical with the sun positioned on its long axis about 10 astronomical units away from the center. C. Pluto's orbit closely approximates a circle with the sun positioned at its center. Earth's orbit is more elliptical with the sun positioned on its long axis about 10 astronomical units away from the center. D. The orbits of Earth and Pluto are both circular, with the sun positioned at their centers, but the diameter of Pluto's orbit is about 40 times that of Earth.
Evaluate.Given f(x) = 6x2 + 5x + 6, find f(6).
A. 252 B. 246 C. 227 D. 72
Estimate the product by first rounding each number so that there is one nonzero digit.25.9 × 3.9
A. 12 B. 120 C. 1200 D. 12,000