Solve equations by completing square

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

Asap i need it now choose all the answers that apply. sex-linked disorders affect males more than females affect females more than males can be carried by females, without being expressed are always expressed in males are caused by genes carried on the x and y chromosomes

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.