Can someone me with sixteen plz it’s due tomorrow

1. are the triangles similar and if so why? what is the value of x? show your work.

If f(x)=-3x+2 and g(x)=-7x-2, which point represents f(x)=g(x)?

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean