In the first round of a game, Cheyenne tells a joke to 4 people. In the second round, those 4 people each tell the joke to 4 more people. If the pattern continues, which expression shows the number of people who will be told the joke in the seventh round? 1. 4*7

2. 7^4

3. 7*4

4. 4^7

Danny draws a transversal, t, on two parallel lines ab and cd, as shown below: he makes the following table to prove that the alternate interior angles are equal: which is the missing justification? (6 points) corresponding angles formed by a transversal on parallel lines are supplementary. corresponding angles formed by a transversal on parallel lines are congruent. co-interior angles formed by a transversal on parallel lines are congruent. co-exterior angles formed by a transversal on parallel lines are congruent.

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

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x