2. The clip from Old School mentions Harriet's Method of Solving Cubics, which are very
complicated equations. Sometimes, it helps to
graph cubic equations. How many times does this cubic
equation cross the x-axis?

Find the area of a parallelogram with base 15 yards and height 21 2/3

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?

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?