In 1991, sporting good stores sold about $15 billion in merchandise. In 2001, sporting good stores sold about $28 billion in merchandise. Find the
percent of change from 1991 to 2001.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

What is the y-intercept of the line given by the equation

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1