Is 2^3+(54/6)-4 x 2 equivalent to 3^2

Factor the polynomial. b^2 + 4b + 4

What is the gcf of 20c^3-5c^4+30c^6

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10