Perform the indicated operations and express your answer in the form a + bi. 
A. -10i
B. 10
C. 10i
D. -10
Answer: C
Mathematics
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Find the limit.
A. 0 B. 14 C. 7 D. No limit
Mathematics
Write the expression in the standard form a + bi.If z = 5 + 5i and w = -8 + i, evaluate 
.
A. 13 + 4i B. 13 - 4i C. -13 - 4i D. -3 + 6i
Mathematics
In a recent pretrial run for the world water speed record, the velocity of the Sea Falcon II t seconds after firing the booster rocket was given by
?
ft/sec. Find the distance covered by the boat over the 5-second period after the booster rocket was activated.
Hint: The distance is given by 
.
What will be an ideal response?
Mathematics
Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(3x - 8)(x + 5)
A. 3x2 - 40x + 7 B. 3x2 + 5x - 40 C. 3x2 + 7x + 7 D. 3x2 + 7x - 40
Mathematics