Which statements are true regarding triangle lmn? check all that apply.

nm = x

nm = x startroot 2 endroot

lm = x startroot 2 endroot

tan(45°) = startfraction startroot 2 endroot over 2 endfraction

tan(45°) = 1

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! )