During his speech at the Creating Digital Dividends Conference in October 2000, Bill Gates said, “I'm a great believer that any tool that enhances communication has profound
effects in terms of how people can learn from each other, and how they can achieve the
kind of freedoms that they're interested in.
In what ways does algebra act as a tool to improve communication? How does algebra
affect how people can learn from each other?

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?