Re-write 12% as a common fraction in a simple form​

Which equation represents the partial sum of the geometric series?

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

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x