Perform the indicated operations and write the result in standard form.(2 + 3i)(4 - i) - (1 - i)(1 + i)
A. 11 + 10i
B. 9 + 10i
C. 13 + 10i
D. 9 + 14i
Answer: B
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Use the commutative or the associative property to complete the statement. State which property is used.7 + (2 + 6) = (7 + )+ 6
A. -2; commutative property B. 2; commutative property C. 2; associative property D. -2; associative property
Find the volume of the solid. Use for ?.
A. 405 cu mi
B. 22 cu mi
C. 135 cu mi
D. 202 cu mi
Decide whether or not the functions are inverses of each other.f(x) = (x - 3)2, x ? 3; g(x) = + 3
A. No B. Yes
Solve the problem.The average value of a certain type of automobile was $13,080 in 1992 and depreciated to $5220 in 1997. Let y be the average value of the automobile in the year x, where x = 0 represents 1992. Write a linear equation that models the value of the automobile in terms of the year x.
A. y = -1572x + 5220
B. y = - x - 5220
C. y = -1572x + 13,080
D. y = -1572x - 2640