Solve the following linear inequality for a :

2a-21< 6a-1

Find the slope of the line y =8/9x + 1.

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?

Which of the following tables represents exponential functions?