Answer:
Step-by-step explanation:
Answer:
28.4484
Step-by-step explanation:
Answer:
about $4,000 - $6,000
Step-by-step explanation:
Answer:
x = -1, y = 1
Step-by-step explanation:
Given that:

Isolate x for 4x + 11y = 7 which ⇒ 
Substitute
into the equation: which is:

Drop Down to:

Isolate y for 7-8y = -1: y = 1
Thus, 
Substitute y = 1
Hence,

Solution ⇒ x = -1 and y = 1
<u><em>~learn with lenvy~</em></u>
Answer:
63
Step-by-step explanation:
you have to add