If x=16 and y=625 find (2√x+y)²

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

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?

Do,h = (7, 9) (14, 18) the scale factor is