6). Jim bought a pay as you go phone. He is charged 10 cents per minute. Write an equation where X is how many minutes and y is the cost for the minutes he used.
What is the constant of proportionality?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

What is the equation of the parabola with focus (-1,-1) and directrix y=1?