The partial Factorization of X²-x-12 is modeled with algebra tiles. Which unit tiles are needed to complete the factorization? 3 negative unit tiles, 3 positive unit tiles, 4 negative unit tiles, 4 positive unit tiles

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

Collin did the work to see if 10 is a solution to the equation r/4=2.4