Josh is an avid reader. his generous grandparents gave him money for his birthday, and he decided to spend at most $120 on books. Reading Spot is running a special: all paperback books are $5.00 and hardback books are $10. josh wants to purchase at least 15 books. Define variables:

write a system of inequalities:

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

3.4a=57.8 what is the the value of a