Ann opened up a savings account with an initial deposit of $250, which combination will result in a zero balance in ann's account ? 1. deposit $20 in the first week & withdraw $250 in the second week ?

2. deposit $250 in the first week & withdraw $20 in the second week ?

3. deposit $270 in the first week & withdraw $20 in the second week ?

4. deposit $20 in the first week & withdraw $270 in the second week ?

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

step-by-step explanation:

bob the banana

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x