Write the first four terms of the binomial expansion.(x + 2)16
A. x16 + 32x15 + 960x14 + 8960x13
B. x16 + 32x15 + 480x14 + 4480x13
C. x16 + 32x15 + 960x14 + 4480x13
D. x16 + 32x15 + 480x14 + 8960x13
Answer: B
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Find the standard deviation. Round to one more place than the data.158, 182, 170, 264, 300, 238, 126, 158, 168
A. 61.7 B. 57.7 C. 24.5 D. 54.4
Find the product. Assume that all variable factors in the denominator are not equal to zero.
? 
A. 
B. 
C. 
D. 
Simplify the expression. Assume that all variables are positive when they appear.
A. -4x8y8 B. 16x8y8 C. 4x8y8 D. -4x12y12
Solve the problem.A ceramics workshop makes wreaths, trees, and sleighs for sale at Christmas. A wreath takes 3 hours to prepare, 2 hours to paint, and 9 hours to fire. A tree takes 14 hours to prepare, 3 hours to paint, and 4 hours to fire. A sleigh takes 4 hours to prepare, 14 hours to paint, and 7 hours to fire. If the workshop has 88 hours for prep time, 56 hours for painting, and 102 hours for firing, How many of each can be made?
A. 8 wreaths, 4 trees, 2 sleighs B. 9 wreaths, 5 trees, 3 sleighs C. 2 wreaths, 8 trees, 4 sleighs D. 4 wreaths, 2 trees, 8 sleighs