Write the expression in the standard form a + bi.If z = 6 - 9i, evaluate z
.
A. 117
B. 36 - 81i2
C. 36 - 81i
D. -45
Answer: A
Mathematics
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Find the exact value of the expression.cos
A. 1
B. 
C. 
D. 
Mathematics
Find the compound amount for the deposit. Round to the nearest cent.$11,000 at 8% compounded semiannually for 6 years
A. $13,918.51 B. $17,455.62 C. $17,611.35 D. $16,280.00
Mathematics
Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -5, -4, -3, 3; degree 4
A. x4 + 11x2 - 180 B. x4 - 9x3 + 11x2 + 81x - 180 C. x4 + 9x3 + 11x2 - 180x - 180 D. x4 + 9x3 + 11x2 - 81x - 180
Mathematics
Multiply.(-8)(-3)(-3)
A. 72 B. -62 C. -72 D. 48
Mathematics