Imagine you wish to determine whether the mean number of hours worked per week by men in a sample differs from the 40-hour standard. Use the information below to calculate the value of the single-sample t statistic. Weekly Hours Worked Men Mean 42.31 Variance 100.00 Standard deviation 10.00 Sum 1,227 Number of observations 29

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Which expression is equivalent to -12(3x-3/4)