Answer:
41
Step-by-step explanation: 180 is the full amount of angles in a triangle
101+38 is 139
180-139 is 41
Oi :)
1) There are 3 significant digits

2)
15 Mi/h = 22 ft/s
3)

4)
There are 4 significant digitis. Leter C
45 minutes i m sure all you do is count up or subtract 60 from 15
B) 0.45 and D) 9/20 are both eqivalent to 45%.