Find the solution to the system of equations. Write the solution as an ordered pair. If there are no solutions stir no solution if there are infinitely many write infinitely many y=-7/2x+11 7x+2y =20

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?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?