Fill in the blank.The opposite of -(-10) = 
.
A. -10
B. - 
C. 0
D. 10
Answer: A
Mathematics
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Use a double-angle identity to find the exact value of the expression.
A. 
B. 
C. 
D. 
Mathematics
For the statement below, translate to an algebraic expression. Let x be the unknown value.The product of seven and a number
A. x + 7
B. 7x
C. 
D. x - 7
Mathematics
The educational attainment of a country population age 25 years or older in 2007 is shown in the circle graph. Use the fact that the population of people 25 years or older was approximately 293.32 million in 2007. Estimate the number of people 25 years or older who have high school diplomas. Round your anser to two decimal places.
?
?
A. 261.38 million B. 251.38 million C. 291.38 million D. 271.38 million E. 281.38 million
Mathematics
Solve.3 ? y = 72
A. 24 B. 26 C. 25 D. 27
Mathematics