So in this problem we need to do some addition.
take the starting balance (-200) and add it to the amount you paid back (30)
-200 + 30 = -170
Answer:
B
Step-by-step explanation:
4x + 6y = 28
-15x - 6y = -39
Answer:
33.75.
Step-by-step explanation:
The mean = sum of the numbers / the number count
= (34 + 31 + 32 + 38) / 4
= 135 / 4
= 33.75.
1-(-4)^2
1-(-4 times -4)
1-(16)
1-16
-15