Please Help 50 points!! A substance decays so that the amount A of the substance left at time t is given by:

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

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

What 8/12+8/11 in another way than and improper fraction