The diagram below represents three groups of students:
S (blue and green): The set of students who took a Spanish class.
T (green and orange): The set of students who traveled to a Spanish-speaking country.
D (red and orange). The set of students who did not take a Spanish class.
Each block represents one student.

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5