Answer:
x=-7
Step-by-step explanation:
-30=5(x+1)
6-1(x+1)
x=-1-6
=-7
5x+y= -5 , i hope I help you
-4x^4 - 15x^2 + 1 - 19/x^2 is your answer
Hope I helped :)
Answer: $95
Step-by-step explanation:
Te new price will be 90 + 5x, if the price increases "x" times
The number of wind chimes sold per month will become 140 - 7x

Therefore, if the price becomes (90 + 5(1)) = $95 per wind chime, then the revenue will be maximum
Answer:
B
Step-by-step explanation:
according to pythagorean
(x>0)
=> 
=>
= 25