Answer:
B. (negative infinity, -1)
Jessica planted 3.79 square feet of seeds each minute.
if we divide 26.53 by 7 we can get that answer
Amount charged for downloading individual songs = x dollars
Amount charged for downloading an entire album = y dollars
In respect to person A:
6x + 2y = 25.92
3x + y = 12.96
y = 12.96 - 3x
In respect to person B:
4x + 3y = 33.93
Putting the value of y from the first equation in the second, we get
4x + 3(12.96 - 3x) = 33.93
4x + 38.88 - 9x = 33.93
- 5x = - 4.95
x = 0.99 dollars
Putting the value of x in the first equation, we get
y = 12.96 - 3x
= 12.96 - 2.97
= 9.99 dollars
First: 7cm, 7cm, 11cm
second: 19cm, 3cm, 3cm
6.5 + 7.6
8.4 + 5.7
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