A) Find the nth term of the following sequence: 3, 11, 25, 45, 71, ...

b) Helena says that the 12th term in the sequence is 421. Is she correct?​

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14