Solve.The area of a rectangular rug is 160 square feet and its perimeter is 56 feet. Find the dimensions of the rug.
A. 9 yd by 19 yd
B. 9 yd by 20 yd
C. 8 yd by 19 yd
D. 8 yd by 20 yd
Answer: D
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Solve the triangle.a = 70, b = 10, C = 110°
A. c = 74.02, A = 62.7°, B = 7.3° B. c = 79.82, A = 60.7°, B = 9.3° C. c = 76.92, A = 64.7°, B = 5.3° D. no triangle
Solve the problem.Find the sum of the first eleven terms of the sequence -9, -1, 7, 15, . . . , 71 where 71 is the eleventh term.
A. 342 B. 341 C. 349 D. 333
Using the Venn diagram in the figure, specify which regions are described by each expression:
?
, 
?
?
A. Region 31, Region 5 B. Region 24, Region 2 C. Region 32, Region 3 D. Region 28, Region 4 E. Region 32, Region 31
Solve the problem.Ariel, a marine biologist, models a population P of crabs, t days after being left to reproduce, with the function 
. Assuming that this model continues to be accurate, when will this population become extinct? (Round to the nearest day.)
A. 547 days B. 1512 days C. 911 days D. 707 days