During a type test , bob typed 40 words in 2/3 of a minute. what is bobs typing speed?

The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Ineed in figuring out this problem.