The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.-10 + (-9) + (-13)
A. -32
B. 12
C. 6
D. -14
Answer: A
Mathematics
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Write an equivalent expression using exponential notation.
A. -m7/2
B. m2/7
C. m7/2
D. 
Mathematics
Solve the problem using the information given in the table and the specific identification inventory method. Round dollar amounts to the nearest cent.Find the total cost of purchases. 
A. $515.70 B. $728.85 C. $322.65 D. $874.20
Mathematics
Find the real solutions of the equation.
= 9
A. {79} B. {81} C. {121} D. {83}
Mathematics
Solve, finding all solutions in [0, 2?).tan x sec x = 
A. 
, 
B. No solution
C. 
, 
D. 
, 
Mathematics