The ancient greeks were very interested in number patterns. triangular numbers are number that can be represented by a triangular array of dots, with n dots on each side. the first three triangular numbers are 1, 3, and 6. write a formula for the nth term of this sequence.

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

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?

Need asap i will give brainliest and 98 points classify each pair of numbered angles corresponding, alternate interior, alternate exterior or none o these