Answer:
○ B. 
Step-by-step explanation:
All sides meet at right angles, so when split up, you have this:

I am joyous to assist you anytime.
Answer:
90-61 is 29, x=29, you're welcome
X + y = 405
y = 8x
To solve:
Plug the second equation into the first and solve for x.
x + 8x = 405
9x = 405
Divide both sides by 9
x = 45
Use the second equation to find y.
y = 8(45)
y = 360
45 angelfish
360 parrotfish
Answer:
36
Step-by-step explanation:
A partir das informações fornecidas, as seguintes equações podem ser modeladas:

Resolvendo o sistema:

A diferença entre eles é:

A diferença entre o maior número e o menor número é 36.
Answer:
I guess the answer is 14/5