Answer:
Step-by-step explanation:
the first answer is D
the second is B
X - 2y= 14
x - 3y= - 11 | * ( -1)
x - 2y = 14
-x + 3y= 11
----------------
/ y= 25
x - 2*25= 14
x - 50 =14
x= 14+50
x=64
Answer:

Step-by-step explanation:
We want to rewrite

in the form

We expand to get:

Regroup similar terms:

Simplify:

This is now of the form

where a=23.75 and b=76.24
A.25
Work:
-5x-5=25
Hope his helps.