help solving grade 4 puzzle?

this is a grade 4 puzzle to find the missing number (?)
[ ? ][ HEY ][ 10]
[ H ][--------- ][ A ]
[ P ][--------- ][ N ]
[ Z ][---------- ][ O ]
[12 ][ IVA ][11]

9?

ClueFinders: 4th Grade Adventures – The Puzzle of the Pyramid Introduction

All About Prayer $14.99 Mr. Henry explores prayer with an animated story about Nehemiah, games & puzzles, a visit with his twin brother Professor Henry, a song with his bluegrass band, and a “spontaneous re-enactment” of the story of Daniel and the Lion’s Den. Discover the truth about PRAYER….

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Square Shaker (flat) Paneled, 8 x 8 x 8ft $235.00 Shaker square column, made from unprimed MDF, 8 ft tall, 7 5/8″ square, 6 5/8″ inside and with 1/2″ thick panels. This column is made to compliment our Elite FLAT PANELED (shaker) Wainscoting using the same trims and proportions. The paneled portion is 37 1/2″ high. The base of the stem is 8 7/8″ square plus the shoe trim. A classic look that can be easily adapted to suit your varying needs in pai…

Brain Quest: Grades 3-5 $5.55 A great educational game for the entire family. Have fun while learning!…

Brain Quest: Grades 1-3 $5.98 A great educational game for the entire family. Have fun while learning!…

Neon Puzzle Decorative Protector Skin Decal Sticker for 19 inch Notebook Laptop Computer $21.99 This laptop skin can be easily trimmed to fit smaller dimensions if necessary. Please measure the length and width of your laptop (top flat surface before it curves down). This skin fits your 19″ laptop with cover top flat surface up to 16″ x 11.25″ This skin is made out of premium grade vinyl that does not add any volume or weight to your laptop, keeping your laptop look original with a whole ne…

Neon Puzzle Decorative Protector Skin Decal Sticker for 15.4 inch Notebook Laptop Computer $18.99 This laptop skin can be easily trimmed to fit smaller dimensions if necessary. Please measure the length and width of your laptop (top flat surface before it curves down). This skin fits your 15.4″ laptop with cover top flat surface up to 13.75″ x 10″ This skin is made out of premium grade vinyl that does not add any volume or weight to your laptop, keeping your laptop look original with a whole …

15.4 Universal Laptop Skin – Neon Puzzle $20.99 15.4″ Universal Laptop Skin – Neon Puzzle…