Graph each system. Tell whether the system has no solution or infinitely many solutions. x+ 2y= 10
2x + 4y= 10

Writing the simplest form of a fraction means the numerator and the denominator have no common factors other than 1.a. trueb. false

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Ineed me i stuck and i don’t want to get it wrong