A new bank customer with ​$2,500 wants to open a money market account. The bank is offering a simple interest rate of 1.8​%. a. How much interest will the customer earn in 20 ​years? b. What will the account balance be after 20 ​years? (Please show steps! I will mark the best answer brainliest if you help!!)

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)