Use the geometric series formulas to find the sum of the geometric series.

1 + 3 + 9 + ⋯ + 2187

I enter the mall with $75 dollars. I spend a dollars at American Eagle, which is 4 more than the amount I spent at Banana Republic. I also spent 15 less at American Eagle than I spent at Cole Haan.

Find a parametric representation of the solution set of the linear equation. (Enter your answer as a comma-separated list of equations. Use s and t as your parameters.) x + y + z = 8

If 24 pencils cost $1.20 then how much does one pencil cost?

What type of quadrilateral has all sides and angles congruent?

Describe the diffrence between algebraic expressions and numerical expressions

Use the shell method to find the volume of the solid generated by revolving the region bounded by the line y=x+2 and the parabola y=x^2 about the following lines. (A) The line x=2 (B) The line x=-1 (C) The x-axis (D) The line y=4

What is 5.00-3.75 dollars

Which of the following is most likely the next step in the series? Z3, y6, X9, W12, ...

What is that product of 2x + y and 5x - y + 3

Two standard 6 sided dice are rolled. One is purple and one is green. What is the probability that sum of the two dice on a roll is 7 given that the purple die for that roll landed on 6? P (Sum of the dice is 7 | Purple Die Landed on 6)