Test the equation for symmetry and sketch its graph.
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -36 B. 1 C. 0 D. -5
Mathematics
State whether the fractions are equal or not equal.
, 
A. Equal B. Not equal
Mathematics
R1 = 2.2 Kê, R2 = 3.3 Kê, RL = 1.2 Kê, and E = 20 V. What is the value of IR2 ?
a. 2.09 mA
b. 5.88 mA
c. 8.92 mA
d. 15.19 mA
e. 16.67 mA
Mathematics
Factor the polynomial completely.2x2y3 + 14x2y2 - 8x2y2 - 56x2y
A. 2x2y(y + 7)(y - 4) B. 2x2y(y - 7)(y + 4) C. 2(xy2 + 7)(xy - 4) D. 2(y2 - 7x)(y + 4x)
Mathematics