Multiply. Assume that all variables represent natural numbers.(xa + 9)(x2a + 7)
A. x3a + 16xa + 63
B. x3a + 16x2a + 63
C. x3a + 9x2a + 7xa + 63
D. x2a2 + 9x2a + 7xa + 63
Answer: C
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Use the compound interest formula to determine the interest earned in the given period.P = $5950 at 10% compounded quarterly for 6 years
A. $16,711.92 B. $10,761.92 C. $52,655.91 D. $4811.92
Provide the proper response.Graph the equations y = x2/3 and y = 3x + 5 on your calculator. To the nearest tenth of a unit, what is the x-value of the point of intersection of the two equations? Round to the nearest tenth.
A. x = -2.1 B. x = -1.1 C. x = -1.3 D. x = -1.6
Solve.5x + 3y + z = 293x - 4y - z = 92x + y + 5z = 2
A. (-2, 5, 2) B. (-2, 2, 5) C. (5, 2, -2) D. (5, -2, 2)
Solve the problem.The difference between a country's exports and imports is called the country's trade balance. If one country had a trade balance of -$87 billion one year, $131 billion the following year, and -$31 billion the third year, what was the total trade balance for these three years?
A. -249 billion dollars B. 249 billion dollars C. -13 billion dollars D. 13 billion dollars