You need 4 cups of flour, hope this helps!
The first one, SAS Postulate
I think it is y=-.25
7*3 - 4y = 20
21 - 4y = 20
subtract 21 from each side
- 4y = - 1
divide each side by - 4
y= -.25
Answer:
y =
- 1
Step-by-step explanation:
y - y1 = m (x - x1)
y + 5 =
(x + 12)
y + 5 =
x + 
y + 5 =
x + 4
y =
x - 1
Hope this was helpful :)