Calcule a area da superficie lateral e a capacidade de um cone de revolucao de altura 9 cm sabendo que sua area lateral vale o dobro da area da sua base

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

[tex]5 \times1 \frac{12}{13} [/tex] me

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?