Alex is adding baseball cards to sleeves in his binder. He filled 2/7 of his binder the first day. On the second day he filled 4/7 . How much of his binder did Alex fill in those two days? A) 3/7 B) 4/7 C) 5/7 D) 6/7

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0

1) letter c.

2) 4 square root of 9

hope this

step-by-step explanation:

ιт ιѕ (9χ^5+10)(81χ^10-90χ^5+100)

step-by-step explanation:

нσρє ι ¢συℓ∂ нєℓρ уσυ συт тσ∂α