Jada says that she found three different ways to complete the first question correctly. Do you think this is possible? Explain your reasoning.

Select the lengths in centimeters that would form a right triangle

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

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! )