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, ...

What is the simplified form of - 24m⁵n⁴/8m⁻7n⁻2?

Solve for x and y y = 2x + 1 y = 4x - 1

Luke is a messenger for a package-delivery company. He starts at the company's office and walk 4 blocks due west to deliver the first package, then 5 blocks due east to deliver the second package, then 1 more block due east to deliver the last

A coin is tossed and a card is drawn from a standard deck of cards. What is the probability of landing on heads and choosing a heart (in the deck of cards)

Problem The side length of a regular hexagon is 9cm. Write an equation you can use to find the perimeter of the hexagon. Solve the equation.

The stack consists of five rows of boxes that are all the same size. If another row is added to the bottom of the stack, how many boxes will be in the row?

What is answer to this question 35 (p+10) = - 1535 (p+10) = - 15

If a town with a population of 5000 doubles in size every 95 years, what will the population be 380 years from now?

What is y=1x-3 in standard form

Stephen buys x pencils and y notebooks for his students. Each pencil costs $0.45 and each notebook costs $1.25. he buys a total of 210 pencils and notebooks for $142.50. How many pencils does Stephen buy? Enter you answer below.