Answer:

Step-by-step explanation:
Given

Required
Determine cost of 15

<em>The cost of 15 sweatshirts is calculated by multiplying the cost of 1 by 15.</em>
So, we have:

Open Brackets


<em>Hence, the simplified cost of 15 sweatshirts is</em>

Answer:
x = 4
x = -4
Step-by-step explanation:
bro i dont know but i hope this help a little, sorry
Answer:
4x - 6
Step-by-step explanation:
Remember the formula for finding the area of a parallelogram;
Manipulate the equation such that it is solved for the base;

So the equation that needs to be solved is;

Set up the division problem and solve;
_____<u>4x - 6</u>___
| 
<u />
________
-6x - 6

________
0
13.95 hours or 837 min
Step-by-step explanation:
1+ 4/5=9/5 7+3/4=31/4
9/5=1.8; 31/4=7.75
1.8×7.75=13.95 hours
13.95×60min=837min
In figure,
AC = BC (given)
Since, in a triangle , angles opposite to equal sides are also equal.
Therefore,
b= 52°
Now,
°.° c is exterior angle of triangle.
.°. c = b + 52°
=> c = 52° + 52°
=> c = 104°
Solution:-
-------------
b = 52° & c =104°
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