A coordinate grid is placed over a map. City A is located at (3,8) and a city B is located at (-3,20). If city C is halfway between city A and city B, find the distance between city A and city C to the nearest 2 decimal digits.

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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.