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Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

The total number of dental clinics total for the last 12 months was recorded

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! )