Plz help me :) :(

Write the pair of fractions as a pair of fractions with a common denominator

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?