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Find the missing number

x=4

the first rectangle is 1.5 times larger than the second. i know this because the side length 4.5 is 1.5 times greater than the side length of 3.

if the rectangles are similar, then x should be 1.5 times smaller than 6. so i did 6/1.5 and that's 4.

hope this helps :)

( ͡° ͜ʖ ͡°)

step-by-step explanation:

just copy and paste it.

visit this site for a tutorial ʖ-tutorial-flash-cards/

8(-10x+3.5y-7)

8×-10x + 8×3.5y + 8×-7

-80x + 28y - 56

therefore

-80x+28y-56 is the correct answer