Solve the problem.Junior high classes of 30 students each met in the cafeteria to take achievement tests. If exactly 6 students sat at each table and 15 tables were used, how many classes took the tests?
A. 16 classes
B. 6 classes
C. 3 classes
D. 5 classes
Answer: C
Mathematics
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Find dy/dt.y = cos(
)
A. 
sin(
)
B. - 
sin(
)
C. -sin(
)
D. -sin
Mathematics
Provide an appropriate response.If the mean, median, and mode are all equal for the set 
, what can you say about the value of x?
A. x = 50 B. x = 60 C. Not possible D. x may be equal to 50 or 60
Mathematics
Solve the problem.Amy buys a sports car and pays a 5% sales tax on the $23,899 sale price. How much sales tax did the person pay?
A. $1194.95 B. $955.96 C. $1433.94 D. $25,093.95
Mathematics
Provide an appropriate response.Consider an equation of inverse variation y = 
. When x increases, does y increase or decrease?
Fill in the blank(s) with the appropriate word(s).
Mathematics