in a continuous series total marks obtained summation FM equals to 105 + 15 x and total frequency f = 2 X + 7 find the mean of the data

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

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.!