Main idea: When stocks appreciate in value a profit is realized. Which of the following details supports the main idea? A. The purchase price of the common stock was $7.50 per share; after four years it was sold at $13 per share for profit of $550. B. When stocks appreciate $6.50 per share, they should be sold. C. It is necessary to purchase 100 shares of common stock to make a $550 profit. D. To realize a profit, stock must be held four years.

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

source:

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared