Add or subtract the following complex numbers.6i + (-8 - i)

A. 8 - 5i
B. -8 + 5i
C. 8 - 7i
D. -8 + 7i


Answer: B

Mathematics

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Solve the problem.A ball is thrown vertically upward from the top of a building 128 feet tall with an initial velocity of 112 feet per second. The distance s (in feet) of the ball from the ground after t seconds is  After how many seconds does the ball strike the ground?

A. 10 sec B. 8 sec C. 129 sec D. 7 sec

Mathematics

Provide an appropriate response.The series of sketches below starts with an equilateral triangle having sides of length 1 (one). In the following steps, equilateral triangles are constructed by joining the midpoints of the sides of the preceding triangle. Develop a formula for the length of the sides of the new triangle.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Graph the basic function using a solid line and the transformed function using a dotted line.g(x) = -3?x?

A.

B.

C.

D.

Mathematics

Find integer bounds for the roots of the following equation. ? ?

A. -4, 6 B. -5, 3 C. -5, 5 D. -4, 4 E. none of these

Mathematics