18.
*(1,7)
the sketch shows a curve with equation
y=kat
where k and a are constants, and a > 0
the curve passes through the points (1,7) and (3, 175).
calculate the value of k and the value of a.
k=

..

..

a

Which equation matches the graph shown ?

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.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.