What is the sum of the first eight terms of the geometric series? –4 + 20 - 100 + 500 +...

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Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle