02) Al presentar el examen final, que contará como dos tercios de la calificación final, Carlos tiene calificaciones en exámenes de 86, 80, 84 y 90. ¿Qué calificación necesita Carlos en el examen final para obtener B, que requiere promedio de 80? ¿Qué necesita para obtener A, que requiere promedio de 90?

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq