Use the properties of equality to solve the equation.
n = 10
A. 15
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify the expression. Assume that all variables are positive when they appear.
A. -28
B. - 
C. -9
D. - 
Mathematics
Solve the problem.The radius, r, of a sphere can be found using the formula 
where S is the surface area. If the surface area is 13,760 square inches, what is the radius? (Use 3.14 for ?, and round your answer to the nearest tenth of an inch.)
A. 66.2 in. B. 58.7 in. C. 33.1 in. D. 103.9 in.
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 9
D. 
Mathematics
Solve the equation.-0.3(x - 8) + x = 0.5(3 - x)
A. 3.25 B. -0.5 C. -0.75 D. -4.5
Mathematics