Find the product of the complex number and its conjugate.-2 + 6i

A. 40
B. -32
C. 43
D. 41


Answer: A

Mathematics

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Find the median for the group of data items.99, 99, 93, 58, 70, 99

A. 99 B. 58 C. 96 D. 93

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Solve for the requested variable.s varies directly as the square of t, and s = 80 when t = 4. Find s when t is 8.

A. s = 160 B. s = 20 C. s = 32 D. s = 320

Mathematics

Solve the problem.Georgianna, the owner of Petrillo's Pizza, had start-up costs of $4100. The ingredients for each pizza cost $3.00, and she sells each pizza for $10. Georgianna has no other expenses. Express the revenue R as a function of x, where x represents the number of pizzas sold.

A. R(x) = 13x B. R(x) = 4100x C. R(x) = 3.00x D. R(x) = 10x

Mathematics

Find an equation of the line containing the given pair of points(-2, 10) and (-2, -10)

A. y = 10 B. -10x + 10y = 0 C. 10x - 10y = 0 D. x = -2

Mathematics