Which two square roots are used to estimate ✓47 a. ✓25 and ✓36 b.✓25 and ✓49 c. ✓36 and ✓49 d. ✓49 and ✓64 an estimate for - ✓ 72 is a.- 8.1 b. - 8.5 c. -9.1 d. -9.5 jeff is an archetict and is drawing the plan for a room addition for a client. if the shape of the room is a cube, what is the volume in cubic feet if the length is 23 feet? a.539 b.1024 c.12,167 d.32,768