Consider the following relation r on the power set p(z) of the integers: r= {(a, b) e p(z) ~ p(z) | vaea 3beb alb} determine whether or not r is (a) reflexive, (b) symmetric, (c) transitive. you will need to prove or disprove the given property in each case. if you give a counter- example, you must explain why it is a counter-example.

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

Hurry which expression is equivalent to 3√x^5y?

Find two consexutive odd integers such that the sum of their square is 650