Students can buy up to 10 books at a book fair. The cost of the books is shown in the graph. What is the domain of this graph?
Cost of Books
110
100
Cost (5)
ö 8 8 8 8 8 8 8
80
70
00
50
40
30
10
0
1 2 3 4 5 6 7 8 10 11
Number of books

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)