Question

50 POINTS ! Which could be the dimensions of a rectangular prism whose surface area is greater than 140 square feet? Check all that apply.

6 feet by 2 feet by 3 feet
6 feet by 5 feet by 4 feet
7 feet by 6 feet by 4 feet
8 feet by 3 feet by 7 feet
8 feet by 4 feet by 3 feet

Answer 1

3 and 4 let me know if i helped

Answer 2

Let's break it up.
1) 6 x 2 = 12 x 3 = 36 < 140
2) 6 x 5 = 30 x 4 = 120 < 140
3) 7 x 6 = 42 x 4 = 168 > 140
Check 3.
4) 8 x 3 = 24 x 7 = 168 > 140
Check 4.
8 x 4 = 32 x 3 = 96 < 140

3 and 4 should be checked.
Hope this helps!