Answer:
Circle a must be translated (x+15, y+0) and then dilated by 4/6 in order to get circle b.
120 cm I believe
Hope this helps :)
Answer:4((x+3)(x-1))
Step-by-step explanation:
Factorize the common terms
4(x^2+2x-3)
Factorize
X^2+2x-3=(x+3)(x-1)
(X+3)(x-1)
4((x+3)(x-1))
(-1.5, 2.5) is the ordered pair