Which two-dimensional shape could be created by a plane slicing vertically through this hemisphere?

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

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

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?