What are the values of a, and r of the geometric series?

2-2+2-2+2

a = 2 and r=-2

a = - 2 and r = 2

aq=-1 and r = 2

az = 2 and r=-1

Xahar graphed the relationship between miles and kilometers, as shown, but he made a mistake in his graph. What is Xahar's mistake? 1 mile = 1.61 kilometers The relationship should not be proportional.

Consider a triangle with vertices at S (-2,-3), A (2,3), and N (5,-4). Part A: What is the shortest side of the triangle? Select the correct response. A. Line SA B. Line AN C. Line NS D. All sides are congruent.

The population of a certain city was 25000 in 2010 and decreased by 4% each year afterword. The population can be modeled by an exponential function of the form y = ab^x where x represents the number of years since 2010.

What is the estimated sum? Round each addend to the nearest ten thousand before adding. 42,359 + 312,738 * 4. NBT. A. 3, 4. NBT. B. 4 340,000 530,000 35,000 350,000

Find the four arithmetic means between 40 and 10. at first i thought it was 20 and 30, but that's only 2

What is the least common denominator for 2/3 and 3/5

1L of water is provided for five people. How much for seven?

How do you find the lateral surface area of a cylinder?

Julie needs 3 lengths of string that are each 6 inches long. Marlene needs 7 lengths of string that are each 8 inches long. How much string do the girls need altogether? in.

How to solve 2x² - x - 3 = 0