Write 150 as a product of primes. Use index notation where appropriate.

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

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Which one ? is the answer and how to find this answer