Find the biggest even number from the following numbers.
a. 825

b. 106

c. 610

d. 452
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49xy +34y - 72z. determine the degree of the polynomial

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.