Find the formula for the function.Express the area of a square as a function of its side length x.
A. A = x4
B. A = x2
C. A = 4x
D. A = 2x
Answer: B
Mathematics
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Choose the most reasonable unit of measure.Height of a tree: 6.5 
(mm, cm, m, km)
A. km B. m C. mm D. cm
Mathematics
Express the radical in simplified form.
A. 4
B. 2 + 
C. Not a real number
D. 2
Mathematics
Graph the circle.(x - 3)2 + (y + 1)2 = 16
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.
A. x3yz2 
B. x3yz2 
C. xyz 
D. x15y5z10 
Mathematics