Answer:
b = 4
Step-by-step explanation:
3 - b = 6 - 7
3 - b = -1
-b = -1 -3
-b = -4
b = 4
Answer:
7.14
Step-by-step explanation:
Just use a calculator and type in the 
Answer:
A (0,3)
Step-by-step explanation:
The given trapezoid has vertices:
(0,6), (7,12), (7,9) and (0,12).
We want to choose from the given options, a point that is a vertex for the image produced by a dilation about the origin with a scale factor of 1/2.
Note that the mapping for such a dilation is:

This implies that:




Therefore correct choice is (0,3)
TO ᖴIᑎᗪ ᙭ YOᑌ ᕼᗩᐯE TO ᖴᑌᑎᗪ OᑌT ᗯᕼᗩT TᕼE OTᕼEᖇᔕ ᗩᖇE ᗯITᕼOᑌT ᙭ ᗩᑎᗪ TᕼEᑎ ᔕEE ᗯᕼIᑕᕼ ᑎᑌᗰᗷEᖇ GOEᔕ Iᑎ ᖴOᖇ ᙭ ᗩᑎᗪ TᕼᗩT'ᔕ TᕼE ᗩᑎᔕᗯEᖇ
~(•ᑌ•)~