Solve for the variable.
z = 9
A. 1
B. 13
C. 14
D. 45
Answer: D
Mathematics
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Match the equation with its graph.y = 4(x + 4) + 1
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated conversion within metric units of length.0.41 meters to centimeters
A. 41 cm B. 4.1 cm C. 0.041 cm D. 0.0041 cm
Mathematics
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r sin ? = 10
A. y = 10x B. y = 10 C. x = 10 D. x = 10y
Mathematics
Simplify the expression.
A. tan x B. cot x C. csc x D. -cot x
Mathematics