-3x-18=?x-18

Find the missing number so that the equation has infinitely many solutions.

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?

8.74 rounded to the nearest whole number

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?