Plz with all 3 1. 1/2 (6g + 2) = 12 a. 3.33 b. 1.67 c. 3.67 d. 4.3 2. 17 + r/3 = 28 a. 33 b. 135 c. 4.94 d. 3.67 3. 28 - 2(5a - 3) = 47 a. 8.1 b. -2.5 c. 1.3 d. -1.3

Which value is not a solution of 8x^3 – 1 = 0

I’m really confused and need to learn this

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