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What is the area of a kite with diagonals that are 9
inches and 12 inches long?
108 in2
54 in 2
108 in 2
60 in 2
How do I solve and draw the kite please help me I’ll give you all my points

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )