Find a formula for the nth term in this arithmetic sequence:
a1 = -7, a2 = -1, a3 = 5, a4 = 11, ...

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.