Find a solution to the following system of equations. –5x + 2y = 9 3x + 5y = 7

a. (–9, 7)

b. (1, 7)

c. (0, 1)

d. (–1, 2)

How can you tell when x and y are not directly proportional?

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.