To eliminate the y-terms and solve for x in the Fredy steps, by which constants should the equations be multiplied by before adding the equations together? First equation:

In the diagram below what is the approximate length of the minor arc ab

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

Tan198=asin164=? how to solve this? ?