Pune semnele "+", "-", "x" sau ":" și/sau paranteze la următoarele calcule pentru a fi adevărate egalitățile. 1 ... 1... 1 ... 1 = 1 2 ... 2 ... 2 ... 2 = 2 3 ... 3 ... 3 ... 3 = 3 4 ... 4 ... 4 4 = 4 5 ... 5 ... 5 ... 5 = 5 6 ... 6 ... 6 ...6 = 6 7 ... 7 ... 7 ... 7 = 7 8 ... 8 ... 8 ... 8 = 8 9 ... 9 ... 9 ... 9 = 9

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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?