Answer:
Step-by-step explanation:
-2/5 - 4/5 + -9/10
= -2/5 - 4/5 - 9/10
= {-2(2) -4(2) - 9)/10
= (-4 - 8 - 9)/10
= -21/10
= -2 1/10
Answer:
15 and 14
Step-by-step explanation:
15+14=29
15-14=1
Answer:

Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:A
Step-by-step explanation: im not too sure but i think 1-2/5=3/5 which would be red so