On Roberto's shelf there are:
• 7 mystery books
• 6 science books
• 4 history books
• 3 adventure books
Roberto will randomly choose 1 book to read. What is the probability in decimal form that he will choose a history book?
Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary
Jahdzia wears her winter coat when the temperature is colder than -4 degrees celsius. write an inequality that is true only for temperatures (t) at which jahdzia wears her winter coat.