Solve for the missing side, x.
12.50
Mathematics
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Combine. Assume that all variables represent non-negative real numbers.12
- 4x
A. 8x
B. 8x
C. 16
D. 12
- 4x
Mathematics
Solve the equation by completing the square.p2 + 3p - 9 = 0
A. 
B. 
C. -3 ± 3
D. 
Mathematics
Use a graphing calculator to determine which expression completes the identity.The expression 
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. tan2x B. -cos2x C. sec2x D. csc2x
Mathematics
Solve.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan.
A. 8.3 ft. B. 137 ft. C. 11 ft. D. 16.6 ft.
Mathematics