Let z[\sqrt(2)] = {a + b \sqrt(2) : a, b € z}. let h= {[\begin{pmatrix} a& 2b\\ b & a\\ \end{pmatrix}]} : a, b € z}. show that z[\sqrt(2)] and h are isomorphic as rings

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?

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?