Answer:
A. 11.4
Step-by-step explanation:

Data:
P = 7
r = 0.07
Calculation:

Answer:
Step-by-step explanation:
Slope:
−
1
y-intercept:
23
Answer:
x=-5, y=-8. (-5, -8).
Step-by-step explanation:
-x+2y=-11
5x-8y=39
---------------
5(-x+2y)=5(-11)
5x-8y=39
---------------------
-5x+10y=-55
5x-8y=39
--------------------
2y=-16
y=-16/2
y=-8
-x+2(-8)=-11
-x-16=-11
-x=-11+16
-x=5
x=-5