Evaluate the expression without using a calculator.
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What will be an ideal response?
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Mathematics
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Solve the matrix equation.
= 
A. x = -2, y = 3, z = 5 B. x = -2, y = -3, z = 1 C. x = 2, y = 3, z = 5 D. x = 2, y = -3, z = 1
Mathematics
Solve.Normal body temperature is 98.6°F. Ellen's temperature is 
How many degrees above normal body temperature is this?
A. 1.5 degrees B. 2.6 degrees C. 2.5 degrees D. 1.6 degrees
Mathematics
Use rational exponents to simplify the radical. If rational exponents appear after simplifying, write the answer in radical notation.
A. 7
B. 
C. 
D. 
Mathematics
Subtract and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics