Perform the indicated operation. Give answer in standard form.(9 + 9i)(7 + 2i)
A. 45 - 81i
B. 81 + 45i
C. 45 + 81i
D. 18i2 + 81i + 63
Answer: C
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Provide an appropriate response.A nation of 100 million people is growing at a rate of 8% per year. Use the exact double time formula to determine what the population will be in 33 years.
A. 104 million B. 356 million C. 623 million D. 1268 million
Identify the equation without applying a rotation of axes.x2 - 4xy - 4y2 - 3x + 2y + 3 = 0
A. ellipse B. hyperbola C. parabola D. not a conic
Write the numeral in words.89,008,800,397
A. eight hundred nine billion, eight million, eight hundred thousand, three hundred ninety-seven B. eight hundred nine billion, eight million, eight thousand, three hundred ninety-seven C. eighty-nine billion, eight million, eighty thousand, three hundred ninety-seven D. eighty-nine billion, eight million, eight hundred thousand, three hundred ninety-seven
Test the equation for symmetry with respect to the given axis, line, or pole.r = 2 cos ?;
the polar axis
A. has symmetry with respect to polar axis B. may or may not have symmetry with respect to polar axis