Johanna had 3 hours to complete her chores. She spent 1/4 of an hour on each chore. Which model can be used to determine how many chores Johanna had?

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.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?