Find the discriminant and the number of real roots for this equation. x2 + 2x + 8 = 0 a.32; two real roots b.–28; one real root c.32; one real root d.–28; no real roots

The distributive property allows you to say that 3(x − 1) = 3x −

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work

Select the correct answer. employee earnings per month($) 1 1,200 2 2,600 3 1,800 4 1,450 5 3,500 6 2,800 7 12,500 8 3,200 which measure of spread is best for the data in the table? a. range b. quartiles c. interquartile range d. mean absolute deviation