Answer:
(a+b)²=a²+2ab+b²
Step-by-step explanation:
Hope this helps!!!
Answer:
6
Step-by-step explanation:
4+2 = 6
Hope this helps
42 (1- 25/100) = 63/2 = 31.5 dollars
answer is $31.50
hope it helps
11) 7 + -10+(4(5+-3)) = 7+-10+8=5
12) (12 +-10)+3x+-1(2x+4x), 12+-10x+3x+-2x+-4x = 12+-13x
Answer:
x=2, y=1
Step-by-step explanation:
4x+8y=16
4x-8y=0
Add the two equations together:
8x=16
Divide both sides by 8:
x=2
Plug this back into one of the original equations to find y:
4(2)-8y=0
8-8y=0
y=1
Hope this helps!
