Find the unit rate.559 students for 13 teachers
A. 7,267 students/teacher
B. 572 students/teacher
C. 0.023 students/teacher
D. 43 students/teacher
Answer: D
Mathematics
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Solve the problem.Find the 13th pentagonal number that corresponds to the following dot sequence.
A. 169 B. 247 C. 91 D. 260
Mathematics
Find the quotient of 6j and 5 - 7j.
a. -21 15 ÄÄÄ + ÄÄj 37 37 b. -18 3 ÄÄÄ + Äj 31 7 c. -12 1 ÄÄÄ + Äj 27 7
Mathematics
Solve for the unknown in the equation.-6B + 6 + 4B = -3B + 11
A. B = 5 B. B = -6 C. B = -11 D. B = 11
Mathematics
Solve the system algebraically.x2 + y2 = 123x - y = -2
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics