Perform the indicated operation. Write the result in standard form.(-5 + 4i) - (-5 + 2i) + (5 - 7i)
A. 5 - 1i
B. 5 - 5i
C. -5 - 1i
D. -5 + 9i
Answer: B
Mathematics
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Work the chain multiplication.5 ? 6 ? 7
A. 240 B. 220 C. 18 D. 210
Mathematics
Perform the indicated operation.(-7 - 5x6 + 5x8 - 5x7) + (-2x7 - 8x6 + 6 + 2x8)
A. -13x42 - 1 B. 7x16 - 7x14 - 13x12 - 1 C. 7x8 - 7x7 - 13x6 - 1 D. -9x8 - 9x7 + 11x6 - 3
Mathematics
Provide an appropriate response.A circular pool 6 feet in diameter is surrounded by a flower bed that is 3 feet wide. How much fencing is needed to go around the outside of the bed? Round to the nearest hundredth of a foot.
What will be an ideal response?
Mathematics
Graph and write interval notation for the compound inequality.x ? 2 and x ? -2
A. [-2, 2)
B. (-2, 2)
C. [-2, 2]
D. (-2, 2]
Mathematics