17) Part A: A store orders flour that comes in 10 pound bags and 20 pound 5 points bags. The number of 20 pound bags is 20 more than twice the number of
10 pound bags. Which expression represents the number of 20 pound
bags?
A : 2x+20
B : x+2
C : x+20
D : 2 (x+20)

здрасти

step-by-step explanation:

8(-10x+3.5y-7)

8×-10x + 8×3.5y + 8×-7

-80x + 28y - 56

therefore

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

given that triangle abc is transformed two times to get triangle

a"b"c"

first abc is transformed in to a'b'c' as follows:

the coordinates of a are (1,-1) and transformed into a'(-1,1)

similarly b (4,-2) became b'(-4,2) and

c(7,-2) became c'(-7,2)

i.e. (x,y) becomes (-x,-y)

this is nothing but reflection about a point here origin.

thus first transformation is reflection on the origin.

next is exactly shifting 3 units down

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