Find the root. Assume that variables represent nonnegative values.

A. 3a
B. 81a
C. 3
D. 3a2


Answer: A

Mathematics

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Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. a = 2.6 in, A = 53.8°

A. b = 0.8 in, B = 36.2°, c = 2.7 in B. b = 3.7 in, B = 36.2°, c = 4.5 in C. b = 3.7 in, B = 36.2°, c = 3.2 in D. b = 1.9 in, B = 36.2°, c = 3.2 in

Mathematics

Solve. Give exact solutions.(x + 4)2 - 5 = 0

A. -2 ±  
B. -4 ±  
C. 4 ± 
D. 1, 9

Mathematics

Identify the expression as a polynomial or not a polynomial.-6

A. Polynomial B. Not a polynomial

Mathematics

Use the graph to answer the question.Write a simplified ratio in three different ways to represent Big "D" sales in March 2001 to sales in January 2001.

A. 15 to 16, 15:16, 
B. 16 out of 31, 16;31, 
C. 16 to 15, 16:15, 
D. 15 out of 31, 15;31, 

Mathematics