3 For the parallelogram below, find the length of AC if
AB = 5x - 18, CD = 2x + 12 & AC = 3x.
А
B
6
9
С
D
12
A) 30
15
B) 36
C) 20
D) 32

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.

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.