Please help of you can thanks!​

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

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?