Identify the value of y

If 50% of a number is 14 then 100% of the number is

What are the domain and range of the function? f(x) = -4 (sqrt)x

Which statement is true? the given sides and angles cannot be used to show similarity by either the sss or sas similarity theorems. the given sides and angles can be used to show similarity by the sss similarity theorem only. the given sides and angles can be used to show similarity by the sas similarity theorem only. the given sides and angles can be used to show similarity by both the sss and sas similarity theorems.