Explain step by step for 0.67÷0.3=?

Math i have no idea how to do a and b

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?

Given: jk ||lm prove: _2 = 27 statement justification 1. jk ||lm 1. given 2.26 = 27 3.22 = 26 2. 3. 4. _2 = 27 4. corresponding angles theorem transitive property of equality vertical angles theorem substitution property of equality