Who ever gets this right will get a brainlest

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

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

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright