The lifespan of zebras in a particular zoo are normally distributed. The average
zebra lives 20.5 years; the standard deviation is 3.9 years. Estimate the
probability that a zebra lives longer than 32.2 years.

State one method by which you can recognize a perfect square trinomial.

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x? y? z? , with vertices x? (4, -2), y? (4, -3), and z? (1, -4). the type of transformation that triangle xyz undergoes is a . triangle x? y? z? then undergoes a transformation to form triangle x? y? z? , with vertices x? (4, 2), y? (4, 3), and z? (1, 4). the type of transformation that triangle x? y? z? undergoes is a .

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read