3. Ethan bought a used car. The value, v(t) the car t years after his purchase is given by the equation v(t) = 4, 500 * (0.8334) ^ t . What was the value of the car when Ethan bought it?

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

What is the equation of the parabola with focus (-1,-1) and directrix y=1?

Will’s boss has asked him to compile the credit scores of everyone in his department. the data that will collected is shown in the table below. what is the mode of the credit scores in will’s department? (round to the nearest whole point, if applicable.) 634 667 644 892 627 821 857 703 654 a. 667 b. 722 c. 627 d. there is no mode in this group.