The radius of a circular car tire is 12.5 inches. find the circumference use 3.14

Y=4x^2+x-1 solve using quadratic formula

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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: