Work out 2 3/4 + 1 4/5 give your answer as a mixed number

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c

Can anyone me with 32,33,36,37,and 40.

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?