Uma pizza de queijo tem diâmetro igual a 30 cm e esta dividida em 6 fatias qual e a área de cada fatia

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.

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Twelve less than a number is at most 20