41. If the relationship between two variables u and v are given by 4u + v + 7 = 0 and if the AM of u is 12, then the AM of v is
(a) 17
(b) - 15
(c) -27
(d) 27​

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.