varies directly means 
inserting y = -18 and x = 3 ⇒
⇒ -6 = k
next, insert k = -6 into the varies directly equation and solve for y. y = -6x
Answer: C
It is 20 because 20/200=10/100=1/10
Answer: n
Step-by-step explanation:
Answer:
8x + 1.75 = y
Step-by-step explanation:
Read the question and look for key words.
In this questions the key words are Each and Total.
x is for each pizza purchased and y is total cost.
The delivery charge is a one time charge so no need to add a letter because people don't buy more than one delivery charge.
Hope this helps!
Answer:
C, F.
Step-by-step explanation:
All angle measures are preserved in a dilation. And if all angle measures are preserved, it makes the triangles similar by the AA similarity theorem.