Help me on this one please and ty

Unas son redondas (round), otras ovaladas (oval), unas piensan mucho, otras casi nada. ¿qué es? uno larguito, dos más bajitos, otro chico (small) y flaco (skinny), y otro gordazo (fat). ¿qué son? como la piedra (rock) son duros (hard), para el perro un buen manjar (delicacy) y sin ellos no podrías (you couldn't) ni saltar (to jump) ni caminar. ¿qué parte del cuerpo describe? juntos vienen, juntos van, uno va delante, otro va atrás (behind). ¿qué son?

True/false: bajo is the opposite of alto. true false

The exchange rate is 156 pesos for 1 us dollar. it costs 10,218 pesos to check an extra piece of luggage on the plane. you have $65 us dollars. which of the scenarios below best reflects your ability to check your extra piece of luggage? a. whew! you have just enough! b. oh no, you will have to leave your extra piece of luggage behind! c. you have enough to check your extra piece of luggage and buy a coffee for the flight. d. if you can scramble to find some spare change in your pocket, you can check your extra piece of luggage.