Jackson is told to find the sum of this arithmetic series. His work is shown below. 400
(29n + 12)
n=10
+ a 400
anan lautan)
9400 = 400 (41 + 400)
a40o = 200 (41 + 11612)
a 400 - 200 (11653)
a400=2330,600
1) List 3 mistakes Jackson made.
2) Explain how to correct each mistake.

Haquira is baking cookies to put in packages for a fundraiser. shaquira has made 8686 86 chocolate chip cookies and 4242 42 sugar cookies. shaquira wants to create identical packages of cookies to sell, and she must use all of the cookies. what is the greatest number of identical packages that shaquira can make?