Which function has a vertex at (2, -9)? O f(x) = -(x - 3)2
O f(x) = (x + 8)2
O f(x) = (x - 5)(x + 1)
O f(x) = -(x - 1)(x - 5)

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

What is 140% of 25? because i need

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?