Solve the system. If there is no solution or if the system's equations are dependent, so state.
A. {(-3, -5, 4)}
B. no solution or ?
C. {(-3, 4, -5)}
D. infinitely many solutions; dependent equations
Answer: C
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Simplify the complex number to its rectangular form.8j - 
A. 6j B. 10j C. -2 + 8j D. 8 + 2j
Solve the formula for the specified variable.a + b = s + r for s
A. s = a + b - r
B. s = r(a + b)
C. s = 
D. s = 
+ b
The total cost in dollars for a certain company to produce x empty bottles used by a peanut butter producer is given by the function C(x) = 0.3x +27,000. Find C(90,000), the cost of producing 90,000 jars.
a. $30,000 b. $27,000 c. $54,000 d. $ 60,000
Use the formula for the sum of the first n terms of an arithmetic sequence.Find the sum of the first 40 terms of the arithmetic sequence: -9, -13, -17, -21, . . .
A. -3473 B. -3560 C. -3480 D. -169