-(-9)-11+18 then you remove the parenthesis
9-11+18
answer: 16
1 is not true generally, while 3 and 4 are never true. 2 is the only generally true conjecture.
Answer:
7 groups
Step-by-step explanation:
1 hour = 60 minutes
3/4 of an hour = 3/4(60) = 45 minutes
therefore, 1 3/4 hours is 105 minutes
105 divided by 15 is 7
7 x 106 = 742 3.5 x 10 = 35 742-35=701.it is 701 time larger