Write the standard equation of the circle with center ​(​-1,5​) that passes through the point ​(​-1,8​).

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

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.

How many and of which kind of roots does the equation f(x)=x3−x2−x+1