Math 6. grade 6. i need this question answered soon as possible. i want the correct answer. hope some one can me out with this math question.

in japan, farmers have created watermelons in the shape of rectangular prisms.

find the volume of a prism-shaped watermelon in cubic inches if its length is 10 inches, its width is 8 inches, and it's height is 9 inches.

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Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?