There are four kinds of road signs in a certain town. the number of each kind is shown. what
is the ratio of the number of school signs to the number of stop signs?

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

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