During a hoagie sale fundraiser a ski club sold 42 italian hoagies, and 53 roast beef hoagies. what is the ratio of hoagies sold

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Aline passes through 3,7 and 6,9 what equation represents the line