Which numbers are rational

-1/2
5 1/2
28
-1
0
8.96
1.3939939993

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Adriveway is 40 yards long about how many meters long is it