Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = 2?(S - r)
B. h = 
C. h = 
- 1
D. h = S - r
Answer: B
Mathematics
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Simplify by combining like terms.7z - z
A. 6z B. 7z - 1 C. 6z2 D. -7z2
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Use Cramer's rule to solve the linear system.
A. x = 3, y = -2 B. x = 2, y = -3 C. x = -2, y = -3 D. x = -3, y = 2
Mathematics
Given 
, find 
.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Indicate whether the value of x shown is a solution of the given inequality by answering true or false.Value of x: 8
Inequality: 11 - 2x ? 5
A. True B. False
Mathematics