An 80% confidence interval for a proportion is found to be (0.27,0.33). What is the sample proportion?

A. 0.31
B. 0.29
C. 0.33
D. 0.30

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.