The average number of customers served by the copy shop during a typical morning (9am to noon) is 12. one morning, the copy shop has to close for 15 minutes. what is the probability that no customers will arrive during this 15 minute period?

x = number of customers

a. x ~ binomial

b. x ~ negative binomial

c. x ~ hypergeometric

d. x ~ poisson

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.