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11 A triangle is to be dilated with the origin as the center of dilation and with a scale
factor of 2. Which answer choice correctly maps this dilation algebraically?
A (x, y) ( x +2 , y +2)
B (x, y) - (2 x, 2 y)
с
(x, y)-(x, y)
D (x, y) - (x - 2, y - 2)

Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.

3x + 4y = 5 x- 3y = -7 solve by substitution

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.