Function f gives the temperature, in degree Celsius, t hours after midnight. Use function notation to write an equation or expression for each statement: a. The temp at 12 p. m.
b. The temp was the same at 9 a. m. and 4 p. m.
c. It was warmer at 9 a. m. than 6 a. m.

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Plz hurry evaluate the expression a+b where a=8 and b=19

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase