Find the midpoint of the line segment joining the two points.(1, 6) and (-9, -4)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.(3x-8y9z-9)-3
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. Express radicals in simplest form.6x2 = -4x - 11
A. 
B. 
C. 
D. ?
Mathematics
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.2x2/5(x11/5 - 7x)
A. 2x13/5 - 
B. 
- 14x7/5
C. 2x13/5 - 14x7/5
D. 
- 
Mathematics
Simplify by using the order of operations. Round your answer to the nearest hundredth.(18.26 - 17.46)2 ÷ (0.6 + 1.4)
A. 0.33 B. 0.31 C. 0.34 D. 0.32
Mathematics