Rachel can finish the job in 5 hours, while carl can finsish the same job in 8 hours. How long wi it take them to finish the job together? 50 points

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)