PLEASE HELP ME ITS VERY URGENT EXPLANATION ISNT NEEDED

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

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply