What method would you use to prove that the two triangles are congruent

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Me find the value of x each figure.

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "