Circumference of a circle is the diameter times 3.14
And we have a diameter of 30 cm
So the circumference = 30 * 3.14 = 94.2 cm
I hope that
helps!
Answer:
9x^2-9x-3
Step-by-step explanation:
3x*3x=9x^2
3x*-4=-12x
1*3x=3x
1*-4=-3
9x^2-12x+3x-3
9x^2-9x-3
Answer:
A
Step-by-step explanation:
when you substitute 4 in x and 3 in y, your result are 11 no 10