Which two values of x are roots of the polynomial below? x2 + 5x+7
A. x= -5+23
B. X=
5-17
DC. X = 5
OD 5.13
E x5y17
F. x=1/2

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Solve the system of equations. 2x-2y=-4 and x+y=8. show work

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.