Solve for t and show your work in details please

If lmn=xyz, which congruences are true by cpctc? check all that apply

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?

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.