Find the missing complex number.(7 + 4i) - ? = 13 + 3i
A. -6 + i
B. 13 - 3i
C. -13 - 3i
D. -6 - i
Answer: A
Mathematics
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Solve the problem.A loan is made on August 5 and has a due date of April 10 during a non-leap year. Find the exact time of the loan.
A. 248 days B. 279 days C. 247 days D. 148 days
Mathematics
Find an equation of a parabola satisfying the given conditions.Focus at (-10, -10), directrix x = -12
A. (x + 10)2 = 4(y + 10) B. (x + 10)2 = 4(y + 11) C. (y + 10)2 = 4(x + 10) D. (y + 10)2 = 4(x + 11)
Mathematics
Use the principle of estimation to find an estimate for the calculation.33 + 75 + 78 + 32
A. 230 B. 240 C. 220 D. 210
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(x + 4)(x + 1) = 28
A. {-4, -1} B. {1, 4} C. {-3, 8} D. {-8, 3}
Mathematics