Simplify. Write your answer in the form a + bi, where a and b are real numbers.Let z = -4 - 3i and w = 6 - i. Find z - w.
A. -10 + 2i
B. 10 + 2i
C. -10 - 3i
D. -10 - 2i
Answer: D
Mathematics
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Evaluate the binomial coefficient.
A. 0 B. 4 C. 1 D. 6
Mathematics
Simplify each side of the equation and then solve. Check your solution.6x - 7x = 15
A. -15 B. -1 C. 0 D. 15
Mathematics
Use transformations to graph the function.Use the graph of log2x to obtain the graph of f(x) = -2 + log2x.
A. 
B. 
C. 
D. 
Mathematics
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.
x + 
y = 3
x - 
y = 
A. (7, 2) B. (1, 8) C. (8, 1) D. (-8, 2)
Mathematics