Solve these. PLEASE HELP IM GIVING 40 POINTS

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line