Help me pleas
solve for x and y

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Consider the function f(x)=-5x+3 what is f(-2)

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?