Factorise: 18x - 42y + 30z

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Find the quotient. 50a2 – 98b2 -5a +7b

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.