A 76
B 83
C 69
D 63

Please help me

It says factor each expression 49x-28?

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?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.