Hi,
To find area of rectangular prism do this.

Hope this helps.
r3t40
The length of the portrait is 3 feet because 2+2= 4 and 3+3= 6 and 4+6= 10 feet
Answer:
the letter in the green box should be 3.
i believe the full equation should be y= -3/2 x+1
Step-by-step explanation:
the y side keeps decreasing by 1 1/2 which in improper fraction form is -3/2. the x side keeps increasing by 1.