1 In the triangle ABC, AB = 12 cm, angle BAC = 60° and angle ACB = 45”. Find the exact length
Of BC.
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Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Tan198=asin164=? how to solve this? ?