YES OR NOT A SOLUTION

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.