If 6x and 4x are congruent what is the value of x

Which of the following statements best describes environmental laws in latin america?

Danielle has blonde hair. her mother has blonde hair and her father has brown hair. which explains how danielle inherited her hair color? she inherited a chromosome that carry alleles for hair color from someone other than her mother and father. she inherited a chromosome that carries an allele for hair color from only her father. she inherited a chromosome that carries an allele for hair color from only her mother. she inherited a chromosome that carries an allele for hair color from each parent.

What is the approximate circumference of the circle shown below? 12.2 cm