Evaluate the algebraic expression under the given conditions.9x + 7y for x = 4, y = 2
A. 50
B. 32
C. 64
D. 46
Answer: A
Mathematics
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Decide if the statement is true or false.-
? -
A. False B. True
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An amplifier produces an output of 7 volts when the input signal is 0.15 volt. Find the decibel voltage gain. Round to the nearest whole number. ?
A. 17 db B. 33 db C. 77 db D. 50 db E. 38 db
Mathematics
Simplify.15 + (-14) - 19 - (-12)
A. 36 B. -30 C. 8 D. -6
Mathematics
?Solve the system of equations by graphing.
?
?
?
A. (-6, 5) B. ?(3, - 5) C. ?(5, 6) D. ?(2, 6) E. ?(5, 3)
Mathematics