Solve the problem.Let u = 
, v = 
. Find u + v.
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.On part of a scenic tour of underground caves, Dave and Neil started at an elevation of - 55 feet. They then rose 16 feet. What was their elevation at this point?
A. -39 ft B. -71 ft C. 39 ft D. 71 ft
To construct a 30°–60° right triangle given the length of the hypotenuse, it is necessary to construct
(a) a perpendicular to a point on a line. (b) a perpendicular to a line from a point not on the line. (c) an angle bisector. (d) a copy of an angle (e) None of these constructions is required.
Factor the trinomial completely.15x2 + 25x + 10
A. (5x + 2)(3x + 5) B. (x + 2)(15x + 5) C. (3x + 2)(5x + 5) D. (3x - 2)(5x - 5)
Solve the problem.A carpenter makes a door frame whose outside dimensions are 62 inches tall by 52 inches wide. To make sure that the door is still in the shape of a rectangle he measures both the diagonals using the inside corners. If each piece of wood is 2 inches thick, how long should the inside diagonals be to the nearest tenth of an inch? Hint: The frame has no bottom on it.
A. 6548 inches B. 36 inches C. 114 inches D. 76.8 inches