Given OG and HJ - JK , what is mHJ please see picture

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?