What is the nth term of the sequence below? 2, 6, 12, 20, . . a. 3n b. n(n + 1) c. n^2 - 1 d. n^2 + 1

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.