1. Determine t21 , given that t1 =25 and tn =3*n2 - 50 2. Given that a1 =1 and an =6*n - 5, determine which term of the sequence is 241

An energy plant is looking into putting in a system to remove harmful pollutants from its emissions going into earth's atmosphere. the cost of removing the pollutants can be modeled using the function c = 25000p/100 -p what is the vertical asymptote?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?