Solve the problem.Tracy can wallpaper 3 rooms in a new house in 21 hours. Together with her trainee they can wallpaper the 3 rooms in 13 hours. How long would it take the trainee working by herself to do the job?
A. 54 hr
B. 33 hr
C. 21 hr
D. 66 hr
Answer: B
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Find u ? v.u = -5j, v = 7i
A. -12 B. 2 C. 12 D. 0
Evaluate the exponential expression. 93
A. 512 B. 27 C. 19,683 D. 729
Two sides and an angle are given. First, determine whether the given information results in no triangle, one triangle, or two triangles. Solve each resulting triangle.a = 28, b = 19, B = 20°
A. no triangle B. two triangles; A1 = 30.27°, C1 = 129.73°, c1 = 42.72 or A2 = 149.73°, C2 = 10.27°, c2 = 9.9 C. one triangle; A = 30.27°, C = 129.73°, c = 42.72 D. one triangle; A = 149.73°, C = 10.27°, c = 9.9
Graph f(x). State the domain, range, and horizontal asymptote of the function.f(x) = 
x + 2 + 1
A. Domain: (-?, ?), range: (-1, ?)
Horizontal asymptote: y = -1
B. Domain: (-?, ?), range: (-2, ?)
Horizontal asymptote: y = -2
C. Domain: (-?, ?), range: (1, ?)
Horizontal asymptote: y = 1
D. Domain: (-?, ?), range: (2, ?)
Horizontal asymptote: y = 2