2x + y = 8
x - y = 10
--------------add
3x = 18
x = 6
x - y = 10
6 - y = 10
-y = 10 - 6
-y = 4
y = -4
solution is : (6,-4)
Answer:
-7/2y
Step-by-step explanation:
cancel out the Z's than youre left with -7/2y :}
Answer:
D
Step-by-step explanation:
R(x) = -x^2+122x+400
Answer:
this is correct beacuse of the four in the back of the number six
Step-by-step explanation:
Year 1: 7lbs x 3years= 21lbs
Year 2: 21lbs x 3years = 63lbs
