The nth term of a sequence is 3n2 - 1
a) find the second term of the sequence:
b) find the fifth term of the sequence.

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Sara is flying a kite at the park. the angle of elevation from sara to kite in the sky is 53° and the length of the string is 32 feet. of sara is 5 feet tall how far off the ground is the kite