Which expression is equivalent to 5(a+4)?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5