Solve by elimination.2x + 2y = 204x - y = 

A. (-3, 6)
B. (3, 7)
C. (4, 6)
D. No solution


Answer: B

Mathematics

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Write the first four terms of the sequence.an = 

A. a1 = 1, a2 = , a3 = , a4 = 
B. a1 = 5, a2 = , a3 = , a4 = 
C. a1 = , a2 = , a3 = , a4 = 
D. a1 = 1, a2 = , a3 = , a4 = 

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Solve the problem.Regrind, Inc. regrinds used typewriter platens. The variable cost per platen is $1.90. The total cost to regrind 90 platens is $500. Find the linear cost function to regrind platens. If reground platens sell for $9.60 each, how many must be reground and sold to break even?

A. C(x) = 1.90x + 329; 29 platens B. C(x) = 1.90x + 329; 43 platens C. C(x) = 1.90x + 500; 65 platens D. C(x) = 1.90x + 500; 44 platens

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From the list below find the expression, identical for the given. ? ?

A.
B.
C.
D.
E.

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Find the requested polynomial. Find a polynomial function of degree 3 with 3, i, -i as zeros.

A. f(x) = x3 - 3x2 + ix - 3i B. f(x) = x3 - 3x2 + x - 3 C. f(x) = x3 - 3ix2 + x - 3i D. f(x) = x3 + 3x2 - x + 3

Mathematics