Multiply.(2x + 5)2
A. 2x2 + 25
B. 2x2 + 20x + 25
C. 4x2 + 20x + 25
D. 4x2 + 25
Answer: C
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Write interval notation for the graph.
A. (-?, 1) B. (-?, 1] C. (1, -?) D. [1, ?)
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of 
+ i
A. 
(cos 30° + i sin 30°), 
(cos 102° + i sin 102°), 
(cos 174° + i sin 174°), 
(cos 246° + i sin 246°), 
B. 32(cos 30° + i sin 30°), 32(cos 102° + i sin 102°), 32(cos 174° + i sin 174°), 32(cos 246° + i sin 246°), 
C. 
(cos 6° + i sin 6°), 
(cos 78° + i sin 78°), 
(cos 150° + i sin 150°), 
(cos 222° + i sin 222°), 
D. 32(cos 6° + i sin 6°), 32(cos 78° + i sin 78°), 32(cos 150° + i sin 150°), 32(cos 222° + i sin 222°), 
Find the exact value of the expression if ? = 30°. Do not use a calculator.g(?) = sin ?Find 
.
A. 
B. 
C. 8
D. 
Find the volume specified. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the volume of a tent having the shape of a rectangular solid of length 14 ft, width 14 ft, and height 9 ft topped by a rectangular pyramid of the same width and length with height 7 ft.
A. 3528.0 ft3 B. 457.3 ft3 C. 2221.3 ft3 D. 914.6 ft3