they are saying x = 3 so you would use the middle equation
so -4x becomes -4(3)
-4 * 3 =-12
So, the area of the trapezoid is 287 cm².
The 25 box is a better deal:
The 25 box is about $0.16 per diaper and the 89 is about $0.21/d.
Hope this helps!
Answer:
(9,-6)
(9,2)
(8,2)
(8,-6)
Step-by-step explanation:
To reflect something over the y axis all you have to do is change the sign of the X coordinate
which means that
(-9,-6) is (9,-6)
The other answers are
(9,2)
(8,2)
(8,-6)
