How many significant figures are in the measurement 1.050 l

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

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.!

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle