Answer:
It's
Step-by-step explanation:
9a-3b
because 3×3a is 9a and 3×-b is -3b hope this helps
Answer:
A)
Step-by-step explanation:
Congruent figures are always similar. Similar figures have the same shape, but may have different sizes. A dilation may change the size, but it does not change the shape. If a figure is dilated into another, the two figures are always similar.
If you have a combination of congruence transformations and dilations, you will always end up with similar figures.
Answer: A)
Here is how you would work it out step by step.
You have to factor the equation you're given. (To check you factorization you can "FOIL" it and make sure it matches the original equation)
Then set the two answers you get from FOILing to zero and you should get your answers.