-165...you take -5.5 times 30 and you get -165
(x-3)(x-7)=0
x=3,7
hope this helps!
Answer:
the answer is 20x^4
Step-by-step explanation:
too long to explain, simple answewr
Answer:
f(x,y)=(3x,3y)
Step-by-step explanation:
Dilation with the centre at the origin with scale facor k,
= f(x,y)--->f(kx,ky)
When k=3,
f(x,y)---->f(3x.3y)