Which sources would be the most useful when researching the rising cost of higher education? check all that apply.

a graph on tuition at state universities
a 2002 law that increased student aid
statistics on high school graduation rates
teacher and principal expense reports
a journal article on college administration

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The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.

Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely

Which transition by an electron will release the greatest amount of energy? oa ob oc od