Arrivals of the Number 1 bus form a Poisson process with rate one bus per hour, and arrivals of Number 7 bus form an independent Poisson process of rate seven buses per hour(a) What is the probability that exactly three buses pass by in one hour?(b) What is the probability that exactly three Number 7 buses pass by while I am waitingfor a Number 1 bus(c) When the maintenance depot half the buses break down before they reach my stop. What , then is the that i wait for without seeing a single bus?

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write   -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get

and solving the given expression :

3x(2x-1)

since solving the expression using tiles   and solving the expression algebraically we get the same answer

thus   we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".

idk

step-by-step explanation:

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation: