Which number sentence is correct? 35.87 = 85.8 35.016 356.784 89.260 < 89.261

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.