Solve.In how many ways can you make a team of 9 players out of 20 players?
A. 700
B. 13,997
C. 167,960
D. 125,970
Answer: C
Mathematics
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Use mathematical induction to prove the statement is true for all positive integers n.
+ 
+ 
+ . . . + 
= 
What will be an ideal response?
Mathematics
Solve the problem.The gravitational attraction A between two masses varies inversely with the square of the distance between them. If the force of attraction is 9 lb when the masses are 2 ft apart, what is the attraction when the masses are 6 ft apart?
A. 3 lb B. 2 lb C. 4 lb D. 1 lb
Mathematics
Locate the fraction on the number line.
A. 
B. 
C. 
D. 
Mathematics
Solve.The sum of the squares of two numbers is 157 and the difference of their squares is 85. Find the two numbers
A. 11 and 6; 11 and -6; -11 and 6; -11 and -6 B. 11 and 6 C. 11 and 6; -11 and -6 D. 11 and 6; 11 and -6
Mathematics