Please help me i will give brainliest:/

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.