Write the expression in the standard form a + bi.i8
A. -i
B. i
C. -1
D. 1
Answer: D
Mathematics
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Solve the inequality and graph the solution.25x - 40 > 5(4x - 7)
A. x ? 1 
B. x < 1 
C. x > 1 
D. x ? 1 
Mathematics
Determine whether the ordered pair is a solution of the given linear equation.-2y + 3x = -15; (5, 0)
A. yes B. no
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. x + 8
D. 
Mathematics
Use the definite integral to find the area between the x-axis and the graph of f(x) over the indicated interval.f(x) = x2 + 1; [0, 1]
A. 
B. 
C. 
D. 
Mathematics