Upon his death, mr. moneybags left 1/2 of his estate to his wife 1/8 to each of his two children, 1/10 to each of his grandchildren and $10,000 to his favorite charity. what was the value of his entire estate?

Really need on these. i have no idea what to do

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

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?