Ageometric sequence an the initial value of 1/2 and common ratio of 4 write an exponential function to represent the sequence and use it to evaluate the function at x=6

can someone and if you can explain also

What is the equation of the line in point-slope form? y+ 4 = 1/2(x+4) y-4 = 1/2(x + 4) y-0 = 2(x - 4) y-4 = 2(8-0)

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

How many 2/5s are in 1 and 1/2 plz someone me right now