Solve the problem.The perimeter of a rectangle is 42 inches and its area is 104 square inches. What are its dimensions?
A. 9 in. by 12 in.
B. 7 in. by 12 in.
C. 8 in. by 13 in.
D. 7 in. by 14 in.
Answer: C
Mathematics
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Provide an appropriate response.True or False? A positive slope means a line rising right.
A. True B. False
Mathematics
Find a rectangular equation for the curve and describe the curve.x = t, y = 
t2; -3 ? t ? 3
A. y = 
x2; portion of a parabola
B. y = 4x2; portion of a parabola
C. y = 4x2; parabola
D. y = 
x; line segment
Mathematics
Solve the problem.Approximate the area under the graph of f(x) = x2 + 2 from 1 to 4 by partitioning the interval into 6 subintervals of equal length and choosing t to be the right endpoint.
A. 28.88 B. 24.88 C. 26.88 D. 30.88
Mathematics
Classify the angle as acute, right, obtuse, or straight.35°
A. straight B. right C. acute D. obtuse
Mathematics