An academic department has just completed voting by secret ballot for a departmenthead. the ballot box contains four slips with votes for candidate a and three slips with votes for candidate b. suppose these slips are removed from the box one by one, what isthe total number of possible outcomes?

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?

The deepest part of the swimming pool is 12 feet deep. the shallowest part of the pool is 3 feet deep. what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?

An isosceles trapezoid was broken into a rectangle and two triangles. what are the base and height of one of the triangles?