Which equation could be solved using this application of the quadratic formula? A. X2 + 1 = 2x − 3 B. X2 – 2x − 1 = 3 C. X2 + 2x − 1 = 3 D. X2 + 2x − 1 = -3

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?