Find the product.(10a - 9)2
A. 100a2 - 180a + 81
B. 10a2 + 81
C. 100a2 + 81
D. 10a2 - 180a + 81
Answer: A
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Polar coordinates of a point are given. Use a graphing utility to find the rectangular coordinates of the point to two decimal places.
A. (1.61, 1.35) B. (1.35, 1.61) C. (1.61, -1.35) D. (-1.35, 1.61)
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(9x16y-18)5/2
A. 243x40y45
B. 
C. 
D. 
Determine whether the following is an expression or an equation. If it is an expression, simplify if possible and evaluate it for x = 2. If it is an equation, solve it.
= 
A. Expression; x + 3; 5
B. Equation; 
C. Equation; 0
D. Equation; - 
The graph of a piecewise-defined function is given. Write a definition for the function. 
A. 
B. 
C. 
D. 