Answer:
C good luck !!!!
Step-by-step explanation:
blah blah blah
(-9) - (-2) = -7
that should be the answer you subtract
Answer:
7/10 can't be simplified, 2/10->1/5
Step-by-step explanation:
7/10 cannot be simplified as 7 and 10 don't have any common factors other than 1
2/10 can be simplified by a factor of 2 to get 1/5
