15 points create an easy word problem using ratios then give me the problem and solution i’ll mark you as brainliest

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

The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume

The triangles are similar. what is the value of x? enter your answer in the box.