Solve the equation for the indicated variable.
n - (7 - a) = 4a for n
A. 20a - 28
B. 12a + 28
C. 0.75a + 1.75
D. 20a + 28
Answer: B
Mathematics
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Evaluate the expression.(50)
A. 1 B. 120 C. 0 D. 2
Mathematics
Provide an appropriate response.Summarize the guidelines to follow when simplifying radical expressions.
What will be an ideal response?
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Mathematics
Use the product rule to simplify the radical.
A. 22
B. 121
C. 55
D. 11
Mathematics