Which is a correct way of evaluating the expression 9x + 16x for x = 4?

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

Find the length of cu, the triangles are similar.

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.