Whats 1+1 lololololololololloolol, help

Solving algebraic equations 2m+3=11

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Consider a= {x|x is alive} f={x|x is in france} m={x|x is a national monument} w{x|x is a woman}. which statements are true regarding elements of the given sets? check all that apply.