30% chance you will be elected president of the history club and 20 percent chance your friend will be elected treasurer what is the experimental probability

Which of the following is an equation of a line parallel to the equation y=4x+1?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?