Need these 2 problems asap! working with inequalities:

1. m/3 ⊆ 5
2. p/3 ⊇ 7/3

you all in advance! -plz comment on this if you have questions

Given abcd ac=38 and ae=3x+4 find the value of x

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²