Evaluate the following for a = -20, b = 30, c = 5 1. | 2a | - b 2. | bc | - | ac |

Is the square root of 4 plus the square root of 16 rational?

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?

Which letters from the table represent like terms? a and b b and c a and d b and d