Answer:
75+150=225 in^2
Step-by-step explanation:
Separate each layer.
Area1+Area2= Total area
A1= a*b*d
A2=a*c*d
A1=5*5*3=75 in^2
A2=5*10*3=150 in^2
Hence, Answer is = - 2(x - 4)
d = 1, so 1 - 10 - 2*1 + 7 = 8 + 1 - 10 - 3*1 is true!