Ireally need with this, first one answer this question right, will get brainlist! : )

what is the first quartile of the data displayed in this box-and-whisker plot?

57

54

49

42

What is the measure of angle tvu shown in the diagram below

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.

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.