A coupon is a paper with a discount.
I forgot but I used to know this one
Answer:
453.73cm³
Step-by-step explanation:
V
=
π
r
2
h
3
3.14×8.5²×6/3=453.73
Step-by-step explanation:
1) -9 = 9 true/false
the answer is false because negative and positive quite unlike in terms.
2) -(-21) = -21
Using the symbols multiplication rule,
Where,
<h2>
+ × + = +</h2><h2>
- × - = +</h2><h2>
- × + = -</h2><h2>
+ × - = -</h2>
Therefore, -(-21) = +21 = 21
⟼ 21 = -21 