Find the dimensions of a rectangle (in m) with perimeter 68 m whose area is as large as possible. (Enter the dimensions as a comma-separated list.) m

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?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Which of the following represents the range of the graph of f(x) below