You will need 50% of a packet of pasta to make a meal for 4 people. How many packets of pasta do you need to make a meal for 12 people?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?