The last one because a perpendicular triangle would be drawn from the vertice to the bottom.
Answer:

Step-by-step explanation:
Since there are nine 2s being multiplied by each other, we can represent this as
.
Answer:
yes it's a refelction over the line f (C)
Step-by-step explanation:
so c is correct
Answer:
a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
Step-by-step explanation:
hi
(x + 3) • (2x - 6x)
collect like terms
(x + 3) • (-4x)
distribute -4x through the parentheses
Answer: -4x^2 - 12x
Hope this helps!