Find the percent using a proportion. Round your answer to the nearest tenth if necessary.3.6 inches is what percent of 20 inches?
A. 5.6%
B. 555.6%
C. 18%
D. 0.2%
Answer: C
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Perform the indicated operation. Write the answer in proper scientific notation.(5.5 × 1010) × (1.2 × 10-7)
A. 6.6 × 102 B. 6.6 × 104 C. 6.6 × 103 D. 66 × 102
Use the discriminant to determine the number and nature of the solutions to the quadratic equation. Do not solve the equation.4x2 + 5x + 3 = 0
A. two real solutions B. two nonreal solutions C. exactly one real solution
Use transformations of either the graph of y = ln x or y = log x to graph the given equation.y = -2 + 5 log x
A. 
B. 
C. 
D. 
Find all specified roots.Seventh roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
B. -1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
D. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
, -1