Select the TWO phrases from below that show how Polk uses flattery to persuade the people listening to his speech.
It is to me a source of unaffected satisfaction to meet the Representatives of the States
and the people in Congress assembled, as it will be to receive the aid of their combined
wisdom in the administration of public affairs it has been my anxious desire to
preserve peace with all nations, but at the same time, to be prepared to resist aggression
and maintain all our just rights
4

the answer is b i think

ek = (m.v2) / 2

v - velocity of system after the collision

m = m1 + m2

ek = (m1 + m2) v2/2

ek = (200 + 250) 2,32/2 = 450*5,29/2 = 1190,25 j

by: nicholas dooley

like many students at university, you may be unhappy about the results you attain in exams. you may feel that even with all you are doing there must be something more -- or different-- you could be doing to get better grades. we have all at some time or other heard of that student who only studies a couple of hours for final exams and scores a's every time. we stand in awe of those who seem to breeze through without undue effort and seem to need very little in the way of studying to nail an exam. the reasons for success, in what i think are the vast majority of cases, are less esoteric than many students think: successful students consistently apply a series of productive strategies with view to attaining clearly identified learning and grade goals throughout the academic term.