Solve.If an earthquake measured 6.3 on the Richter scale, what was the intensity of the earthquake? 
A. 199,526
B. 544
C. 1,995,262
D. 1,584,893
Answer: C
Mathematics
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Solve the problem.Sam and Chad are ticket-sellers at their class play. Sam is selling student tickets for $2.00 each, and Chad selling adult tickets for $5.50 each. If their total income for 24 tickets was $83.00, how many tickets did Sam sell?
A. 10 tickets B. 15 tickets C. 14 tickets D. 16 tickets
Mathematics
Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Write the equation in slope-intercept form.-5x + y = 13
A. y = -5x - 13 B. y = 5x + 13 C. y = -5x + 13 D. y = 5x - 13
Mathematics
Identify and graph the polar equation.r = 4 sin(2?) 
A. 
circle
B. 
rose with four petals
C. 
rose with two petals
D. 
lemniscate
Mathematics