What is the result of subtracting the second equation from the first?
8x−4y=-4
−3x+4y=5

Give me the equations of two lines that have the same slope but are not parallel.

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Find the least common denominator for thesetvo rational expressions. n^2/n^2+4n+4 -3/n^2+7n+10