You can exploit the difference-of-squares identity,
<em>a</em>² - <em>b</em>² = (<em>a</em> - <em>b</em>) (<em>a</em> + <em>b</em>)
Then
101.5² - 100.5² = (101.5 - 100.5) * (101.5 + 100.5)
101.5² - 100.5² = 1 * 202
101.5² - 100.5² = 202
Answer:
I think its y=8x-7
Step-by-step explanation:
Pls tell me if i'm wrong.
47.C
48.B
49.???
50.A
sorry doing something couldn't solve 49 right now
D=(S+8)/C
S=DC-8
add 8 to both sides
S+8=DC
divide c from both sides
(S+8)/C=D
43 i alredy learned that in school
