<u><em>Question 28:</em></u>
Subtract
on both sides
Divide
on both sides
<u><em>*(Answer)*=</em></u> 
<u><em>Question 30:</em></u>
Multiply
on both sides
Subtract
on both sides
<u><em>*(Answer)*=</em></u> 
Hope This Helps
BangtanBoyScouts
Answer:
First let's define what modular arithmetic is, what would come is an arithmetic system for equivalence classes of whole numbers called congruence classes.
Now, the modular division is the division in modular arithmetic.
Answering the question, a modular division problem like ordinary arithmetic is not used, division by 0 is undefined. For example, 6/0 is not allowed. In modular arithmetic, not only 6/0 is not allowed, but 6/12 under module 6 is also not allowed. The reason is that 12 is congruent with 0 when the module is 6.
Answer:
50
Step-by-step explanation:
2(3)^2+9(3)+5
2(9)+27+5
18+27+5
=50
Answer:

Step-by-step explanation:
Given

Required
Find 
From the attachment:
The measure of
is calculated using the following expression:

Where
-- right-angled.
The expression becomes



Answer:
its cheaper in new York by $1.60
Step-by-step explanation:
132 x 1.30 = 171.60
if the jacket is $170 in new York it is cheaper