Last week ms. simpson worked 28 hours. she stocked shelves for 45 minutes each hour for 14 of those hours the rest of the time she worked in customer service. how many minutes last week did ms. simpson work in customer service? (hint: 1 hour=60 minutes

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

What is the rate for one gallon of gasoline

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?