Patterns with fractions

1 9/10, 1 7/10, _, 1 3/10, 1 1/10

rule:

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

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"

Find the values of the variables and the lengths of the sides of this kite.