An Isosceles triangle has two equal sides of length 2x^3+ 7x^2-4x+9 The perimeter of the triangle is P = 4x^4 + 14x^2-2x+6.
Write an expression for the missing length

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Ill mark the brainliest if you me with the these three questions 7,8,9

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?