Find the slope and y-intercept of the straight line having equations x-√3y=3√3

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Is this a polynomial function? i need to know asap

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20