10-20 30 40 50
2 of 5
It takes one examiner 15 hours to mark 80 exam papers.
How long should it take 5 examiners to mark 80 exam papers?
~
1
hours

What is the simplified expression for 6(2(y+x))

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.