Please help quick! Which is true?

Find the value of the variable and the length of each secant segment.

What is 32+4 x (16 x 1/2) -2 show your work}

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles