Answer:
20/9
Step-by-step explanation:
the awnser to the first one is 20/9 or as a mixed number 2 and 2/9. and to do the second one divid the awnser you are given by 3/10 and you should get 20/9 agian wich also changes to 2 and 2/9 so that is the awnser i guess
....the answer is 682.5
(-4,-3,-2,-1,0,1,2)
..........i hope it is............
multiples of 7 between 0 and 100, so there is a 
probability of choosing a multiple of 7.