Anybody, please help fast!!

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

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?