How many terms are there in a geometric series if the first term is 5, the common ratio is 3, and the sum of the series is 65? sn = a1(1-r^n)/1-r r ≠ 1, where a1 is the first term and r is the common ratio. n = 4 n = 3 n = 5 n = 6

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?