If f(1)=1 and f(n+1)=f(n)^2+4 then find the value of f(4)

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

What is 1/3x5 on anuber line what does it look like on a number line

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?