Answer:
option 2
Step-by-step explanation:
Answer:
<h3>r =-12</h3>
Step-by-step explanation:

OMG YES PERUOD DUHDNSJJFJGJ
Answer:
i. 15, 18, 20, 20, 25
ii.
a) 19.6
b) 20
c) 20
d) 10
Step-by-step explanation:
Answer:
53/21 OR 2 11/21
Step-by-step explanation:
1 4/6 + 6/7
Change 1 4/6 into an improper fraction
1 4/6 6x1= 6+4= 10/6
Simplify 10/6 --> 5/3
5/3+ 6/7
find a common denominator (21)
35/21+18/21= 53/21
mixed number form is 2 11/21