There are 30 people in student council that are running for the offices of president and vice president. in how many different ways can those offices be assigned? a) 900. b) 870. c) 59.

the answer is B. (870)

Step-by-step explanation:

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x+y=90

x=30-y=x

step-by-step explanation:

if you understand you will get the answer

answer: the two figures are congruent.

step-by-step explanation: they're congruent because figure efgh is reflected across the x and y axis but it was also rotated.

hope it !