Write the expression in standard form.8i + (-6 - i)
A. 6 - 9i
B. 6 - 7i
C. -6 + 7i
D. -6 + 9i
Answer: C
Mathematics
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Evaluate.Let a = 
, b = 
. Find a + b.
A. 
B. 
C. 
D. 
Mathematics
Use the vertical line test to determine whether the graph represents a function.
A. not a function B. function
Mathematics
Solve the problem by using three variables.The perimeter of a triangle is 36 inches. Three times the length of the longest side minus the length of the shortest side is 46 inches. The sum of the length of the longest side and three times the sum of both the other side lengths is 74 inches. Find the side lengths.
A. 4 in., 14 in., 18 in. B. 5 in., 15 in., 16 in. C. 5 in., 14 in., 17 in. D. No solution
Mathematics
Divide and simplify. Assume that all variables represent positive numbers.
A. 2x2y
B. 28xy
C. 2x4y2
D. 4x2y
Mathematics