Find the difference. a) 12 3/10 - 7 7/10 b) 8 1/6 - 3 5/6

Estimate each quotient. show the compatible numbers you use. 0.00438 ÷ 0.00072

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

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.