There are 4 times as many females as males on the maths course at university. What fraction of the course are male? A. 1/4
B. 1/5
C. 1/6
D. 4/5
E. 3/4

This doesn’t make sense to me it’s supposed to be lcm ( least common multiple )

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.