Blue ribbon 43 1/8in red ribbon 39 3/4in how much longer is the blue ribbon?

43 1/8 - 39 3/4

43 - 39 = 4

1/8 - 3/4 = 1/8 - 6/8

= -5/8

4 - 5/8 = 3 3/8   answer

answer: 0+0=0

step-by-step explanation:

that is the only answer that can make 0

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .