Answer:
24.4
Step-by-step explanation:
15.86 /0.65 = 24.4
(x-1)(x-1)
=x^2-x-x+1
=x^2-2x+1
(x+7)(x-7)
=x^2-7x+7x-49
=x^2-49
Answer:
es 200
Step-by-step explanation:
100+100=200
0+0+0+0+0=0
Answer:
7/4 or 1 3/4
Step-by-step explanation:
Think of 2 2/4 to be 10/4 because you need to multiply the 2 to the 4 which makes 8 and then add 2 to get 10/4.
When you get 10/4 subtract it with 3/4 to get 7/4.
You can leave it as 7/4 or 1 3/4.