Easy algebra what is the sum of the geometric sequence 1, 3, 9, … if there are 10 terms? a: 29,524 b: 55,987 c: 87,381 d: 88,573

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.