My daughter doesn't understand algebra and i can't remember it! write an expression for each phrase.
5 increased by a number a

Suppose investors can earn a return of 2% per 6 months on a treasury note with 6 months remaining until maturity. the face value of the t-bill is $10,000. what price would you expect a 6-month maturity treasury bill to sell for? (round your answer to 2 decimal places. omit the "$" sign in your response.)

Can someone pls ! pls answer all. no explanation needed..

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18