4. the salaries of a school cook, custodian, and bus driver are in the ratio 2: 4: 3. if their
combined monthly salaries for november total $8,280, what is the monthly salary for each
person?

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years