Someone please help me out The point B (-1, 4) is translated five units left and three units down. Which rule describes the translation?

(x, y)-->(x-5, y+3)

(x, y)-->(x+5, y+3)

(x, y)-->(x+5, y-3)

(x, y)-->(x-5, y-3)

answer: a

step-by-step explanation: the answer is a due to the rule of symmetry; that a line of symmetry must divide a figure into 2 pieces that are the exact same, only reflected over a line of symmetry. b and c do not have lines of symmetry and would not divide the figure evenly, thus making the answer a.

the answer is  

d.

21

i did this one. so you should get it right.

the diagram shows you   triangle def with de=4, df=9 and de≠df≠ef.

the sum of the lengths of two triangles' sides are always greater than the length of the third side:

substitute sides lengths:

then 5< ef< 13 (option 3 is true).

def is a scalene triangle with all sides of different lengths (option 5 is true, option 2 is false).

answer: correct choices are 1, 3 and 5