6v +12 -5v=v +12.
4b +32+2= 4b+34
like that?
Answer:
Area of trapezium = 1/2 * h (a+b)
here, 480= 1/2 *15*(20+b)
(20+b)=960/15
or, b=64-20
therefore, b= 44
.....
Hope u got it...xd
Answer:
-12= -12
Step-by-step explanation:
You're correct dw!
Let

then you will have a^2-12a+36=0 and then you can just factor to find a
The price of the discount is $25 x 0.15 = $3.75
The price of the book with discount is $25 - $3.75 = $21.25