What is 5/4, 1 8/25, and 1.3 in least to greatest

Answer this question! 30 points and brainliest! only if you know the answer.

Write an equation for the function that includes the points (2,100)and (3,100)

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! )