Which of these is not a geometric sequence?

A: 3, 6, 12, 24, ...

B: 250, 50, 10, 2, ...

C: 5, 15, 45, 135, ...

D: 4, 12, 20, 28, ...

A circle has a diameter of 4 m. What is the best approximation of its area? Use 3.14 to approximate for π. 6.28 m² 12.56 m² 25.12 m² 50.24 m² I think it's 12.56 m^2 but I'm not exact

3. A positive number is 56 less than its square. Find the number.

How do you solve 2x-8<-8

Debbie set up 21 chairs in 30 minutes. how many chairs could she set up in 4 hours

9mi is equal to how many km

John buys 3 shirts and 4 pairs of pants for $133.85. Jim also buys something. He buys 4 shirts and 3 pairs of pants. He spends $127.95. Set up and solve an equation that will determine how much one shirt and pant will cost

Square root of 2.25 is

The local radio station played 9 hip-hop songs and 6 hard rock songs in one hour. What percent of the songs played during this hour was hip-hop?

It is the same distance from second base to first base, and from second base to third base. The angle formed by first base, second base, and home plate has the same measure as the angle formed by the third base to home plate, and from home plate to

In this problem, y = 1 / (1 + c1e-x) is a one-parameter family of solutions of the first-order de y' = y - y2. find a solution of the first-order ivp consisting of this differential equation and the given initial condition. y (0) = - 1 8