Solve the problem.The perimeter of a rectangle is 22 inches and its area is 28 square inches. What are its dimensions?
A. 3 in. by 6 in.
B. 3 in. by 8 in.
C. 5 in. by 6 in.
D. 4 in. by 7 in.
Answer: D
Mathematics
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Identify the degree of the polynomial.2x6 - 7x7 + 8x2 - 7
A. 7 B. 2 C. 6 D. 15
Mathematics
Solve the equation.(x - 9)(x + 5) = 0
A. {9, 5} B. {-5, 9} C. {-9, 9, -5, 5} D. {-9, 5}
Mathematics
Perform the addition or subtraction.(5x7 - 4x4 + 7x) + (3x7 - 3x4 - 3x)
A. 8x7 - 7x4 + 4x B. 5x12 C. 10x7 + 2x4 - 7x D. 8x - 7x7 + 4x4
Mathematics
Convert as indicated.83.89 m to kilometers
A. 83,890 km B. 0.08389 km C. 0.8389 km D. 8389 km
Mathematics