Okay so 11/4 needs to be multiplied by 2 so that the D match up.
so 11/4 x 2 = 22/8
22/8 - 3/8 = 19/8
The difference is 19/8
Answer:

Step-by-step explanation:
hello,

hope this helps
Answer:
18.90
Step-by-step explanation:
3x12=36
36-15=21
21 x 0.9
3x+6 I believe because you can’t add a number with a variable to a number without one
Answer:
1.00 cm Is the greatest level of precision possible for the measurement of the width of the spin of the book