Solve.In how many distinguishable ways can the letters of the word STARTER be arranged?
A. 5040
B. 2520
C. 630
D. 1260
Answer: D
Mathematics
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Use an Euler diagram to determine whether the syllogism is valid or invalid.Students who study get better grades.Roger is a student who studies. ? Roger will get better grades.
A. Invalid B. Valid
Mathematics
Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.(5, 4) and (-4, -3)
A. 2
B. 63
C. 
? 5.657
D. 
? 11.402
Mathematics
Find the area of the triangle. If necessary, round the answer to two decimal places.a = 4, b = 5, c = 7
A. 9.80 B. 10.01 C. 16.01 D. 3.46
Mathematics
Find the angle between the given vectors, to the nearest tenth of a degree.t = 
, s = 
A. 47.7° B. -70.3° C. 160.3° D. 19.7°
Mathematics