Art an art supply store sells posters for $9 each and picture frames for $15 each. write an expression for the total cost of 6 posters and 6 frames.

22 points algebra 1//sum and product of rational and irrational numbers. dont have to do all 4 if could much : )) write an example: 1) how the product of two identical irrational numbers can be a rational number. 2) how the product of two different irrational numbers can be a rational number. 3) write a quotient of intergers that is not a real number. 4) is the set of positive irrational numbers closed for the operation of division? if not give a counter example.

Sakura speaks 150 words per minute on average in hungarian, and 190 words per minute on average in polish. she once gave cooking instructions in hungarian, followed by cleaning instructions in polish. sakura pent 5 minutes total giving both instructions, and spoke 270 more words in polish than in hungaria how long did sakura speak in hungarian, and how long did she speak in polish? sakura spoke for minutes in hungarian and for minutes in polish

2. show that isometries of euclidean spaces preserve derivatives of vector fields.