How do you use the slope to prove lines are parallel or perpendicular?

Why do interests rates on loans to be lower in a weak economy than in a strong one

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

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: