Any help is appreciated

Alength on a map is 7.5 inches. thescale is 1 inch: 5 miles. what is theactual distance? a 1.5 miles c 12.5 milesb 2.5 miles d 37.5 miles

Find the vertex of the function given below y=x^2-6x+1

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg