Simplify your answer as much as you can. You can use pi in your answer if necessary (for example, if the answer were $3\pi$, you could enter "3pi" or "3*pi" or "$3\pi$").
[asy]
size(4cm);
path a=Circle((0,0),5);
path b=Circle((0,0),4);
path c=Circle((0,0),3);
path d=Circle((0,0),2);
path e=Circle((0,0),1);
fill(a,red); fill(b,white); fill(c,red); fill(d,white); fill(e,red);
[/asy]
p.s. just a side question how many of you didn't put your real age when you created your account because i didn't put my real age in and your never gonna figure it out
Answer:
Is the total area of the red area is $3840
Step-by-step explanation:
2 x 4 x 6 x 8 x 10 = 3840
2) 5x +7y = 1