Solve. x + y + z = 7 x - y + 2z = 75x + y + z = 11

A. (4, 1, 2)
B. (4, 2, 1)
C. (1, 2, 4)
D. (1, 4, 2)


Answer: C

Mathematics

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Provide an appropriate response. Find the input value that produces an output value of 5 in the function f(x) = x + 1

A. 6
B. 4
C.
D.

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Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.ln x + ln (x + 6) = 1

A. -6 +  ? 0.846
B.  ? 3.222
C.  ? 0.423
D.  ? -6.423

Mathematics

Decide whether to write <, >, or = between the pair of numbers.  0.2

A. < B. = C. >

Mathematics

Solve. Round all dollar amounts to the nearest cent, if necessary.A population of bacteria increased from 80 million to 180 million. Find the percent increase.

A. 55.6% B. 125% C. 225% D. 69.2%

Mathematics