Solve the problem.Seven slips of paper marked with the numbers 1, 2, 3, 4, 5, 6, and 7 are placed in a box and mixed well. Two are drawn. What are the odds that the sum of the numbers on the two selected slips is not 5?
A. 21 : 2
B. 9 : 1
C. 19 :2
D. 19 :1
Answer: C
Mathematics
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Multiply.(5x + 12y)2
A. 25x2 + 120xy + 144y2 B. 5x2 + 144y2 C. 25x2 + 144y2 D. 5x2 + 120xy + 144y2
Mathematics
Add or subtract the rational numbers. Express the sum or difference as a rational number in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression. Write your answer without negative exponents.32
A. -9 B. 6 C. 9 D. -6
Mathematics
Solve.z - 4 = 19
A. -15 B. -23 C. 23 D. 15
Mathematics