y= 2x-10
y=4x-8
------------subtract
0 = -2x - 2
-2x=2
x = -1
y= 2x-10
y= 2(-1)-10
y = -2 - 10
y = -12
answer: x = -1 and y = -12 or (-1,-12)
Answer:
A. Given
Step-by-step explanation:
The statement is provided as a fact at the beginning of a proof. This means that the statement is given.
Option B (postulates) are used to prove, for example, that some angles or shapes are congruent, or that two triangles are similar, etc.
Option C (truth) is never used in a proof.
Answer:
3
Step-by-step explanation:
50-35=15 pounds decreased
15/50=x/100
x=1500/50
x=30
It is a 30% decrease.
Answer:
C) 24
Step-by-step explanation: