Simplify the expression. Write the result using positive exponents only.
-4^-2

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m