It takes 30 minutes to do my homework and it takes my friend 3/4 of the time. how long does it take my friend to do his work ?

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air