Can someone break this down so I can better understand what is needed? Please! Expand (2x-4)^2 using the square of a binomial formula.

A) (x)^2+2(x)(4)+4^2
B) (2x)^2-2(2x)(4)+4^2
C) (2x)^2+2(2x)(4)-4^2
D) (x)^2-2(x)(4)-4^2

Aley is at the store buying some supplies for an art project. she decides to buy some colored pencils for $3.95 and a drawing tablet. the total cost of the supplies before sales tax is $6.94. what is the cost of the drawing tablet? $10.89 $2.99 $1.76 $3.01