You made 3/20 of the 400 cards, which is 60 cards.
Answer:
x=4
Step-by-step explanation:
f(x) = x^2 - 8x+16
Set equal to zero
0 = x^2 -8x +16
Factor
what 2 numbers multiply to 16 and add to -8
-4*-4 = 16
-4+-4 = -8
0= (x-4)(x-4)
Using the zero product property
x-4 = 0 x-4 =0
x=4 x=4
I think so.. If not i am super sorry!!
Answer : The two dimensions are the same in the triangles as they were in the rectangle.
It would just be 14-10 each week so 14-10 14-10 14-10 and so on
