From the end of the class today, you have 1 day, 11 hours, and 59 minutes until the test is due. how many minutes do you have to turn in your test?

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

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?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?