Robert has just selected a new laptop and is ready to checkout. the laptop is
priced at $450 and the state sales tax is 5%. what is the total for this
purchase?

If his parents cannot alex with college, and two of his scholarships will be awarded to other students if he does not accept them immediately, which is the best option for him?

Find the zeros of the polynomial 5 x square + 12 x + 7 by factorization method and verify the relation between zeros and coefficient of the polynomials

You are bearish on telecom and decide to sell short 100 shares at the current market price of $50 per share. a. how much in cash or securities must you put into your brokerage account if the broker’s initial margin requirement is 50% of the value of the short position? b. how high can the price of the stock go before you get a margin call if the maintenance margin is 30% of the value of the short position? (input the amount as a positive value. round your answer to 2 decimal places.)