Solve.In a survey of 100 people, 40 preferred ketchup on their hot dogs. What percent preferred ketchup?
A. 
%
B. 4%
C. 40%
D. 0.4%
Answer: C
Mathematics
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Solve the equation.
- 15 = 
A. 0 B. 45 C. all real numbers D. no solution
Mathematics
Solve. Write the answer in simplest form.The total length of a canoe race is 
of a mile. Gretta has completed 
of a mile. How much does she have left to complete?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Mathematics
Solve the system using elimination.2.1x + 0.3y = -10.80.7x + 0.6y = -4.1
A. (-5.3, -1) B. (-2.9, -0.7) C. (-5, -1) D. (-7.1, -0.7)
Mathematics
Determine if the type of relation is linear, nonlinear, or none.
A. none B. nonlinear C. linear
Mathematics