Costos de las llamadas de larga distancia una com-
pañía telefónica ofrece dos planes de larga distancia.

plan a: 25 dólares por mes y 5 centavos por minuto
plan b: 5 dólares por mes y 12 centavos por minuto
¿para cuántos minutos de llamadas de larga distancia el plan
b sería ventajoso desde el punto de vista financiero?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?