Which of the following choices is the simple formula for the nth term of the following arithmetic sequence?

5, 1, -3, -7, -11,

a. -4n + 9
b. 4n + 1
c. 4n + 9
d. 5n + 4
e. -4n + 1

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

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.

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details