Solve the problem.Find the area A of a rectangle with length 2.1 cm and width 6.8 cm.
A. A = 28.56 cm2
B. A = 8.4 cm2
C. A = 8.9 cm2
D. A = 14.28 cm2
Answer: D
Mathematics
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Solve the problem.Find the points on the curve x2 + y2 = 2x + 2y where the tangent is parallel to the x-axis.
A. (1, 1), (1, -1)
B. (2, 0), (2, 2)
C. (1, 1 + 
), (1, 1 - 
)
D. (2, 2 + 
), (2, 2 - 
)
Mathematics
Find the area A. Round the answer to three decimal places.
A. 10.996 cm2 B. 21.991 cm2 C. 1.833 cm2 D. 3.5 cm2
Mathematics
Solve.Chris and Pamela leave home at the same time. Chris drives eastward at a rate of 30 miles per hour, while Pamela drives south at 60 miles per hour. Find how far apart they are after 5 hours. Round to the nearest mile.
A. 335 mi B. 4500 mi C. 150 mi D. 67 mi
Mathematics
Find the square root.- 
A. Not a real number B. -0.5 C. 0.5 D. -0.05
Mathematics