Use a ruler, protractor, and compass to construct, if possible, a triangle with the stated properties. If such a triangle cannot be drawn, explain why. Decide if there can be two or more noncongruent triangles with the stated properties.A triangle with angles of 31° and 85°
A. No such triangle can be constructed.
B. Two or more such noncongruent triangles can be constructed.
C. Exactly one such triangle can be constructed.
Answer: B
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Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (-25, 0), (25, 0); F: (-20, 0), (20, 0) B. V: (0, -25), (0, 25); F: (0, -20), (0, 20) C. V: (0, -25), (0, 25); F: (0, -15), (0, 15) D. V: (-25, 0), (25, 0); F: (-15, 0), (15, 0)
Solve the problem.The rate at which an assembly line worker's efficiency E (expressed as a percent) changes with respect to time t is given by 
where t is the number of hours since the worker's shift began. Assuming that 
find E(t).
A. E(t) = 55t - 2t2 + 141 B. E(t) = 55t - 2t2 + 35 C. E(t) = 55t - 4t2 + 35 D. E(t) = 55t - 2t2 + 88
Solve.A partial map of a state in a road atlas covers a square area of 16,900 square miles. What is the length of each side of the square area?
A. 13 mi B. 169 mi C. 4225 mi D. 130 mi
Refer to the following figure. Which point has coordinates (-3, 4)?
?
?
A. D B. G C. C D. A E. B