(X-5)(-6+x) is -6x+x^2+30-5x which is x^2-11x+30 so Dan is correct Emily will have made a mistake when timesong either -6 x XOR -5 x x.
Answer : B
Step by step: make it into two shapes by drawing a line through the shape which would be a square and a triangle. Area of square is bxh so 8x10=80
Area of triangle is 1/2(bxh) so 1/2(4x5)=10
80+10=90
Answer:
B) 180 degrees
Step-by-step explanation:
Turning it 180 degrees would be the exact opposite of the position that is in now and would be the same position
Because you can’t simplify anymore within the parentheses you add the like terms a, b, and c
