Solve.Three times the square of the difference between a number and 5 is -75. Find the number(s).

A. 5 + 5i and 5 - 5i
B. 5 + 5i and 5 - 5i
C. -5 + 5i and -5 - 5i
D. 5i + 5 and 5i - 5


Answer: B

Mathematics

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Calculate, if possible.(-9.7)(0)

A. -1 B. 0 C. -9.7 D. 9.7

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Find the domain of the function.F(z) = 

A. {z|z ? 0} B. {z|z ? -15} C. {z|z is any real number} D. {z|z > -15}

Mathematics

Complete the ordered pairs. Then graph the equation by plotting the points and drawing a line through them.2x - y = -4(0, ), (-2, ), (4, )

A. (0, 4), (2, 0), (4, -4)

B. (0, 4), (-2, 0), (4, 12)

C. (0, -4), (2, 0), (4, 4)

D. (0, 4), (8, 0), (4, 6)

Mathematics

Use a graphing calculator to solve the system. Round to the nearest thousandth.  0.4x + y = 1x + 0.8y = 1

A. ? B. {(0.216, 0.646)} C. {(0.097, 0.980)} D. {(0.176, 0.757)}

Mathematics