Answer:
yes they r
Step-by-step explanation:
................... .
The answer is -2.5. this is how you work it out.
21.4 + (-23.9) = -5/2 = -2.5
I think the last one is the right one
Answer:
5 11/45
Step-by-step explanation:
1st, write them as improper fractions (so it is easier)
(121/9)-(41/5)
Next, make the fractions have the same denominator b finding their LCD
121/9-->605/45
41/5-->369/45
now subtract
605/45-369/45=236/45 or 5 11/45
Hope this helps ur sis
