GIVING BRAINLIEST IM TRYING TO FINISH A TEST AND I HAVE 3 QUESTIONS LEFT! 20 MINS LEFT PLEASE HELP I NEED ALL IN ONE QUESTION!

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

How many verticies does a triangular prims have