Una deuda de $550 que debe pagarse dentro de cuatro años y otra de $650 pagadera dentro de cinco años se saldrán por medio de un pago de $100 ahora y un pago dentro de 2 años. Encuentre de cuánto es el pago si se supone una tasa
de interés de 8% compuesto trimestralmente.

How many terms does the polynomial x^2 y^2 have

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

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! )