Solve using the multiplication property of equality.3x ? 15
A. x ? 5
B. x ? 5
C. x ? 12
D. x ? 12
Answer: B
Mathematics
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Find, correct to the nearest degree, the angle between the planes. Select the correct answer.
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Mathematics
Evaluate
Mathematics
Solve the system of equations using substitution.
A. x = 1, y = 4; x = 4, y = 19 or (1, 4), (4, 19) B. x = 2, y = -1; x = -2, y = -1 or (2, -1), (-2, -1) C. x = 2, y = -1; x = 1, y = 2; x = -1, y = 2; x = -2, y = -1 or (2, -1), (1, 2), (-1, 2), (-2, -1) D. x = 1, y = 2; x = -1, y = 2 or (1, 2), (-1, 2)
Mathematics
Find the area of the geometric figure.Parallelogram
4 m
A. 42 sq m B. 10.5 sq m C. 21 m D. 21 sq m
Mathematics