Please help I need this today. What is the x and y intercept of the graph y=-1/2x+4?

Options are 1/2, -4, -1/2, 4, and 8.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Which graph has a rate of change of zero

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.