The price of a cup of coffee has dropped to $2.45 today. Yesterday's price was $2.60. Find the percentage decrease. Round your answer to the nearest tenth of a percent.

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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.