Find the sum of the following infinite geometric series, if it exists. 4+3.2+2.56+2.048+

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?