Round the amount to the nearest dollar.$342.03
A. $342
B. $342.10
C. $343
D. $341
Answer: A
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 5 cos 2t + 4 cos 6t, y = 5 sin 2t - 4 sin 6t, 0 ? t ? ?
A. 
B. 
C. 
D. 
Mathematics
Multiply.-4x2(-2x4 - 5x2 - 4)
A. 8x6 - 5x2 - 4 B. 8x4 + 20x2 + 16 C. 8x6 + 20x4 + 16x2 D. 8x6 + 20x4
Mathematics
Provide an appropriate response. Solve the system of equations using the addition method:x - 3y = 7 2x + 3y = 5
A.
(4, -1)
B.
(19, 4)
C.
(1, -2)
D.
Mathematics
Provide an appropriate response.Approximately 4 × 103 employees of a certain company average $30,000 each year in salary. What is the total amount earned by all the employees of this company per year? Write your answer in scientific notation.
A. $1.2 × 109 B. $1.2 × 108 C. $12 × 108 D. $12 × 109
Mathematics