The table shows the displacement-time data for a ship relative to a shore. t (hours) 2.95 3.15 3.75 3.95 3.99 4.00 s(t) (miles) 14.95 17.61 27.23 31.01 31.80 32.00 Estimate the instantaneous velocity of the ship at t = 4 hours. A. 20.00 mi./h. B. 20.15 mi./h. C. 20.25 mi./h. D. 20.50 mi./h

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.