B. 64
the perfect square is a²+2ab+b²=(a+b)²
x²+2*8x+8²
8²=64
Answer:
The slope is 0.5
Step-by-step explanation:
FIrst you do y2-y1/x2-x1
That makes it 6-3/2-(-4)
Simplified it's 6-3/2+4
6-3=3 and 2+4=6
So you get 3/6=0.5
Answer:
1 19/30
Step-by-step explanation:
Just multiply and cross simplify
7/9 x 21/10
9 and 21 can be simplified to 3/7
7/3 x 7/10
Multiply from left to right
49/30
1 19/30
Answer:
12 free pencils
Step-by-step explanation:
4x12=60 so she will buy 48 pencils and get 12 free
Answer:14
Step-by-step explanation:&%&+'++'--