Find the distance from point A (15,-21) to the line 52 + 2y = 4. Round your answer to the nearest tenth

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

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! )