Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.-2, 2, -2, 2, -2, . . .
A. yes, 2
B. yes, -2
C. no
D. yes, -1
Answer: D
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Solve the problem.Find the point on the line 
that is closest to the point 
A. 
B. 
C. 
D. 
Solve the problem using the information given in the table and the last- in, first-out inventory method. Round dollar amounts to the nearest cent.Find the cost of goods sold. 23 units are in the ending inventory from the units that were purchased first. Beginning inventory: 25 units at $33.33 March: 70 units at $26.98 June: 65 units at $39.63 August: 40 units at $22.33
A. $5424.41 B. $779.79 C. $767.09 D. $6191.50
Determine the domain and the range of the function.f(x) = -x2 - 4x
A. domain: all real numbers range: {y|y ? -4} B. domain: all real numbers range: {y|y ? 4} C. domain: {x|x ? -2} range: {y|y ? 4} D. domain: {x|x? 2} range: {y|y ? 4}
Solve the problem.A building 290 feet tall casts a 90 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person's eyes are level with the top of the building.)
A. 17° B. 73° C. 18° D. 72°