2. which equation is not an example of a direct variation?
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b. 2x + 3y = 0 c
d. 5x + 6y = 30
at of variationsſk) for each equation

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?

Given abcd ac=38 and ae=3x+4 find the value of x

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!