Solve the problem.The sum of the squares of the digits of a positive two-digit number is 85, and the tens digit is 1 less than the units digit. Find the number.
A. 76
B. 65
C. 56
D. 67
Answer: D
Mathematics
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Simplify the rational expression completely.
A. 
B. 
C. x + 3
D. x - 3
Mathematics
Simplify.
A. 
B. x
C. 9x
D. 
Mathematics
Find the midpoint of the segment having the given endpoints.(2, 8) and (9, 9)
A. 
B. 
C. (-7, -1)
D. (11, 17)
Mathematics
Determine whether the expression shown is a sum, difference, product, or quotient.9 + 4
A. sum B. quotient C. difference D. product
Mathematics