What is the expected value of an original investment of $3,000 that has a 10% chance of ending up with a value of $2,000, an 80% chance of ending up with a value of $3,500, and a 10% chance of ending up with a value of $4,000?

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function. a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.