Change the word statement to an equation. Use x as the variable.Twice a number less 3 equals 5.
A. 2(x - 3) = 5
B. 2x - 3 = 5
C. 3 - 2x = 5
Answer: B
Mathematics
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Solve the system. x2 - xy + y2 = 32x2 + xy + 2y2 = 12
A. {(1, 0), (-1, 0)} B. {(2, 0), (-2, 0), (1, 0), (-1, 0)} C. {(2, 1), (1, 2)} D. {(2, 1), (-2, -1), (1, 2), (-1, -2)}
Mathematics
Solve by the method of your choice.m2 = 6m - 9
A. -3 B. 6 C. ±3 D. 3
Mathematics
Use the imaginary unit to write the expression.
A. ±15
B. 15i
C. -i
D. -15i
Mathematics
Convert the angle to a decimal in degrees. Round the answer to two decimal places.322°58'59''
A. 322.99° B. 322.94° C. 323.04° D. 322.98°
Mathematics