Derek states that the expression 4(a+6) is equivalent to the expression 20+4a+4. is derek correct? show the proof that derek is right or wrong! explain how you determined whether or not the two expressions were equivalent

Apair of ordinary dice is rolled. what is the probability that each die will show a number higher than 4. 1. (1/36) 2. (1/12) 3. (1/6) 4. (1/4) 5. (1/3)

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9