What is true about the image ΔK'L'M'? Select three options. DO, 0.75 (x, y) = (0.75x, 0.75y)
LM is parallel to L'M'.
KM is shorter than K'M'.
The vertices of the image are closer to the origin than those of the pre-image.
The distance from M' to the origin is exactly half the distance from M to the origin.

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66answer:

step-by-step explanation:

b, i believe, but not sure.

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.