He buyed 240 cards because
20
x
12
-----
40
+
20
-------
240
Do the problem 440×7.5 to find your answer
6
think of this as the middle.
3 to the left to get to 3
And
3 to the right to get 9
Answer:
The first, third and last sequences
Answer:
see below
Step-by-step explanation:
1. 0 = (r + 1)(r + 8)
Using Zero Product Property, r = -1, r = -8
2. h(r) = (r + 1)(r + 8)
= r² + 9r + 8
= (r + 9/2)² - 81/4 + 8
= (r + 4.5)² - 12.25 (Complete the square)
Vertex: (-4.5, -12.25)
