Diego is attending UTEP and has completed some courses worth 3 credits and some courses worth 4 credits. He has earned a total of 59 credits after completing 18 courses. How many courses worth 4 credits has Diego completed?

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

hello i am doing good for you that it's summer in your country or state ; )

btw in my country we just have sun and rain as (because i live in the caribbean lol)

also, thx a lot for the points : )

2 1/2 feet

step-by-step explanation:

if i knew id you bro,, my bad