The length of an unsharpened pencil is 7.5 inches. how many pencils would you need to lay end to end to circle the earth once? assume the radius of the earth is 6300 km

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:

Which expression is rational? 6. , square root two, square root 14, square root 49

How do you write y-10=2 (x-8) in standard form