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Question #a3d1b

How do you solve #2( 9+ 2x ) + 2( 2x ) = 360#?

Question #0d004

How do you combine like terms in #(5x ^ { 4}  3x ^ { 2} + 6x  3) + (  3x ^ { 4} + x ^ { 3} + 5x ^ { 2}  7x + 3)#?

A 10.0 g sample of pure gold (Au) at 55.0 C gives off 45.0 J of heat to its surroundings. The specific heat capacity (C) of Au is 0.129J/g*C. What is the final temperature, in C, of the Au sample?

How do you simplify #b^3(m^3)(b^6)#?

How do you find the derivative of #f(x) = x + sqrt(x)#?