Answer:
Step-by-step explanation:
A= πr²
A= 22/7 multiply by the radius.
Divide 9.4cm by 2.
Whatever you get is your answer. Now take the formula I have shown you above. Whatever you get is your answer.
Answer:
Step-by-step explanation:
If you factor the expression 7a+21 you can get:
7 × (a+3)
The new equation is
<em>Y = (x-8)² </em>.
The other way to write it is like this: (you might not recognize it in this form)
Y = x² - 16x + 64
Answer:
30
Step-by-step explanation:
