Convert the units using two or three unit fractions.21,600 sec = 
day
A. 
B. 
C. 21
D. 
Answer: D
Mathematics
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Solve the differential equation.
= 3x2sec y
A. y = cos-1 (x3 + C) B. y = sin (x3 + C) C. y = sin-1 (x3 + C) D. y = x3 + C
Mathematics
Decide whether or not the ordered pair is a solution of the system.(6, -5)3x = -23 - y2x = -27 - 3y
A. Yes B. No
Mathematics
Simplify the expression using the order of operations. Write the answer as an improper fraction where appropriate.42 + 102 ÷ 22
A. 120 B. 41 C. 29 D. 49
Mathematics
Solve the problem.During one year, the Larson's real estate bill included $575 for local schools. Of this amount, $120 went to the high school district. What percent did the Larsons pay to the high school district? Round your answers to the nearest tenth, if necessary.
A. 6900% B. 79.1% C. 20.7% D. 20.9%
Mathematics