Which equation is a rule for this sequence?

0,3,8,15, ...

A. a = 3n - 3

B. a = n^2 - 1

C. a = n^2 - n

D. a = n (n + 1)

What is the area of the triangular floor space enclosed by the glass tetrahedron? Round to the nearest tenth of a square foot. Enter only the number. (Hint: Look at the green triangle to find the base, b, of each green triangle.

The change in the value of a stock is represented by the rational number - 5.90

Mr. Hinkcley owns 83 acres of land. He divides the land into eight equals sections to sell to eight buyers.

If the ribbon costs 10 cent per foot, what is the total cost of the ribbon in dollars? Explain your reasoning, including how you decided where to place the decimal.

Ratio of the number of students in art class to the number of students in gym class was 2:7, however art class is small, and gym class is large, students changed for the second semester.

What does three times fours

Prove that 3:8 is equal to 12:32 and use a diagram

At a middle school 30% of the students walk 12.5% are dropped off by car and the remaining take the bus If there are 800 students who attend this school how many students use each form of transportation

a cyclist rides her bike at a speed of 9 kilometers what is the speed in meters per second? how many meters will the cyclist travel in 5 seconds?

What is the value of log0.5^16? a.-4.00 b.-0.25 c. 1.51 d. 2.41