Answer:
18.0 (use 18 if 18.0 is not an answer choice)
Step-by-step explanation:
15²+10²=225+100 = 325
√325 = 18.028 or 18.0 (use 18 if 18.0 is not an answer choice)
1) 1,2,3,4,5,6,7
2) -3,-2,-1,0,1,2,3,4,5,6,7
3)-3,-2,-1
4)1,2,3,4
17 tables because you need to divide 198 and 12 and yu get 16.5 but you have to round it because you cant leave the 5 people out so it would be 17
29.8 would be the number, but rounded would be 30
